20764548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 65729664

約数和(自身を除く): 44965116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 37, 42, 51, 63, 68, 74, 84, 102, 111, 119, 126, 131, 148, 153, 204, 222, 238, 252, 259, 262, 306, 333, 357, 393, 444, 476, 518, 524, 612, 629, 666, 714, 777, 786, 917, 1036, 1071, 1179, 1258, 1332, 1428, 1554, 1572, 1834, 1887, 2142, 2227, 2331, 2358, 2516, 2751, 3108, 3668, 3774, 4284, 4403, 4454, 4662, 4716, 4847, 5502, 5661, 6681, 7548, 8253, 8806, 8908, 9324, 9694, 11004, 11322, 13209, 13362, 14541, 15589, 16506, 17612, 19388, 20043, 22644, 26418, 26724, 29082, 31178, 33012, 33929, 39627, 40086, 43623, 46767, 52836, 58164, 62356, 67858, 79254, 80172, 82399, 87246, 93534, 101787, 135716, 140301, 158508, 164798, 174492, 187068, 203574, 247197, 280602, 305361, 329596, 407148, 494394, 561204, 576793, 610722, 741591, 988788, 1153586, 1221444, 1483182, 1730379, 2307172, 2966364, 3460758, 5191137, 6921516, 10382274, 20764548]

約数ペア:

[(1, 20764548), (2, 10382274), (3, 6921516), (4, 5191137), (6, 3460758), (7, 2966364), (9, 2307172), (12, 1730379), (14, 1483182), (17, 1221444), (18, 1153586), (21, 988788), (28, 741591), (34, 610722), (36, 576793), (37, 561204), (42, 494394), (51, 407148), (63, 329596), (68, 305361), (74, 280602), (84, 247197), (102, 203574), (111, 187068), (119, 174492), (126, 164798), (131, 158508), (148, 140301), (153, 135716), (204, 101787), (222, 93534), (238, 87246), (252, 82399), (259, 80172), (262, 79254), (306, 67858), (333, 62356), (357, 58164), (393, 52836), (444, 46767), (476, 43623), (518, 40086), (524, 39627), (612, 33929), (629, 33012), (666, 31178), (714, 29082), (777, 26724), (786, 26418), (917, 22644), (1036, 20043), (1071, 19388), (1179, 17612), (1258, 16506), (1332, 15589), (1428, 14541), (1554, 13362), (1572, 13209), (1834, 11322), (1887, 11004), (2142, 9694), (2227, 9324), (2331, 8908), (2358, 8806), (2516, 8253), (2751, 7548), (3108, 6681), (3668, 5661), (3774, 5502), (4284, 4847), (4403, 4716), (4454, 4662)]