20805583812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:658

約数の個数: 192

約数和(自身を含む): 55232937984

約数和(自身を除く): 34427354172

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 47, 52, 74, 78, 94, 111, 141, 148, 156, 188, 222, 271, 282, 283, 444, 481, 542, 564, 566, 611, 813, 849, 962, 1084, 1132, 1222, 1443, 1626, 1698, 1739, 1833, 1924, 2444, 2886, 3252, 3396, 3478, 3523, 3666, 3679, 5217, 5772, 6956, 7046, 7332, 7358, 10027, 10434, 10471, 10569, 11037, 12737, 13301, 14092, 14716, 20054, 20868, 20942, 21138, 22074, 22607, 25474, 26602, 30081, 31413, 38211, 39903, 40108, 41884, 42276, 44148, 45214, 50948, 53204, 60162, 62826, 67821, 76422, 76693, 79806, 90428, 120324, 125652, 130351, 135642, 136123, 152844, 153386, 159612, 165581, 172913, 230079, 260702, 271284, 272246, 306772, 331162, 345826, 391053, 408369, 460158, 471269, 492137, 496743, 518739, 521404, 544492, 662324, 691652, 782106, 816738, 920316, 942538, 984274, 993486, 997009, 1037478, 1413807, 1476411, 1564212, 1633476, 1885076, 1968548, 1986972, 1994018, 2074956, 2827614, 2837641, 2952822, 2991027, 3604571, 3988036, 5655228, 5675282, 5905644, 5982054, 6126497, 6397781, 7209142, 8512923, 10813713, 11350564, 11964108, 12252994, 12795562, 14418284, 17025846, 18379491, 19193343, 21627426, 24505988, 25591124, 34051692, 36758982, 36889333, 38386686, 43254852, 46859423, 73517964, 73778666, 76773372, 93718846, 110667999, 133369127, 140578269, 147557332, 187437692, 221335998, 266738254, 281156538, 400107381, 442671996, 533476508, 562313076, 800214762, 1600429524, 1733798651, 3467597302, 5201395953, 6935194604, 10402791906, 20805583812]

約数ペア:

[(1, 20805583812), (2, 10402791906), (3, 6935194604), (4, 5201395953), (6, 3467597302), (12, 1733798651), (13, 1600429524), (26, 800214762), (37, 562313076), (39, 533476508), (47, 442671996), (52, 400107381), (74, 281156538), (78, 266738254), (94, 221335998), (111, 187437692), (141, 147557332), (148, 140578269), (156, 133369127), (188, 110667999), (222, 93718846), (271, 76773372), (282, 73778666), (283, 73517964), (444, 46859423), (481, 43254852), (542, 38386686), (564, 36889333), (566, 36758982), (611, 34051692), (813, 25591124), (849, 24505988), (962, 21627426), (1084, 19193343), (1132, 18379491), (1222, 17025846), (1443, 14418284), (1626, 12795562), (1698, 12252994), (1739, 11964108), (1833, 11350564), (1924, 10813713), (2444, 8512923), (2886, 7209142), (3252, 6397781), (3396, 6126497), (3478, 5982054), (3523, 5905644), (3666, 5675282), (3679, 5655228), (5217, 3988036), (5772, 3604571), (6956, 2991027), (7046, 2952822), (7332, 2837641), (7358, 2827614), (10027, 2074956), (10434, 1994018), (10471, 1986972), (10569, 1968548), (11037, 1885076), (12737, 1633476), (13301, 1564212), (14092, 1476411), (14716, 1413807), (20054, 1037478), (20868, 997009), (20942, 993486), (21138, 984274), (22074, 942538), (22607, 920316), (25474, 816738), (26602, 782106), (30081, 691652), (31413, 662324), (38211, 544492), (39903, 521404), (40108, 518739), (41884, 496743), (42276, 492137), (44148, 471269), (45214, 460158), (50948, 408369), (53204, 391053), (60162, 345826), (62826, 331162), (67821, 306772), (76422, 272246), (76693, 271284), (79806, 260702), (90428, 230079), (120324, 172913), (125652, 165581), (130351, 159612), (135642, 153386), (136123, 152844)]