20656996878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:771

約数の個数: 192

約数和(自身を含む): 52248084480

約数和(自身を除く): 31591087602

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 71, 93, 114, 133, 142, 186, 213, 217, 266, 361, 399, 426, 434, 497, 589, 619, 651, 722, 798, 994, 1083, 1178, 1238, 1302, 1349, 1491, 1767, 1857, 2166, 2201, 2527, 2698, 2982, 3534, 3714, 4047, 4123, 4333, 4402, 5054, 6603, 7581, 8094, 8246, 8666, 9443, 11191, 11761, 12369, 12999, 13206, 15162, 15407, 18886, 19189, 22382, 23522, 24738, 25631, 25998, 28329, 30814, 33573, 35283, 38378, 41819, 43949, 46221, 51262, 56658, 57567, 67146, 70566, 76893, 78337, 82327, 83638, 87898, 92442, 115134, 125457, 131847, 134323, 153786, 156674, 164654, 179417, 223459, 235011, 246981, 250914, 263694, 268646, 292733, 307643, 358834, 364591, 402969, 446918, 470022, 493962, 538251, 585466, 615286, 670377, 729182, 794561, 805938, 835031, 878199, 922929, 1076502, 1093773, 1340754, 1362419, 1564213, 1589122, 1670062, 1756398, 1845858, 2187546, 2383683, 2505093, 2552137, 2724838, 3128426, 4087257, 4692639, 4767366, 5010186, 5104274, 5561927, 5845217, 6927229, 7656411, 8174514, 9385278, 9536933, 11123854, 11690434, 13854458, 15312822, 15865589, 16685781, 17535651, 19073866, 20781687, 25885961, 28610799, 31731178, 33371562, 35071302, 41563374, 47596767, 48490603, 51771922, 57221598, 77657883, 95193534, 96981206, 111059123, 145471809, 155315766, 181201727, 222118246, 290943618, 333177369, 362403454, 491833259, 543605181, 666354738, 983666518, 1087210362, 1475499777, 2950999554, 3442832813, 6885665626, 10328498439, 20656996878]

約数ペア:

[(1, 20656996878), (2, 10328498439), (3, 6885665626), (6, 3442832813), (7, 2950999554), (14, 1475499777), (19, 1087210362), (21, 983666518), (31, 666354738), (38, 543605181), (42, 491833259), (57, 362403454), (62, 333177369), (71, 290943618), (93, 222118246), (114, 181201727), (133, 155315766), (142, 145471809), (186, 111059123), (213, 96981206), (217, 95193534), (266, 77657883), (361, 57221598), (399, 51771922), (426, 48490603), (434, 47596767), (497, 41563374), (589, 35071302), (619, 33371562), (651, 31731178), (722, 28610799), (798, 25885961), (994, 20781687), (1083, 19073866), (1178, 17535651), (1238, 16685781), (1302, 15865589), (1349, 15312822), (1491, 13854458), (1767, 11690434), (1857, 11123854), (2166, 9536933), (2201, 9385278), (2527, 8174514), (2698, 7656411), (2982, 6927229), (3534, 5845217), (3714, 5561927), (4047, 5104274), (4123, 5010186), (4333, 4767366), (4402, 4692639), (5054, 4087257), (6603, 3128426), (7581, 2724838), (8094, 2552137), (8246, 2505093), (8666, 2383683), (9443, 2187546), (11191, 1845858), (11761, 1756398), (12369, 1670062), (12999, 1589122), (13206, 1564213), (15162, 1362419), (15407, 1340754), (18886, 1093773), (19189, 1076502), (22382, 922929), (23522, 878199), (24738, 835031), (25631, 805938), (25998, 794561), (28329, 729182), (30814, 670377), (33573, 615286), (35283, 585466), (38378, 538251), (41819, 493962), (43949, 470022), (46221, 446918), (51262, 402969), (56658, 364591), (57567, 358834), (67146, 307643), (70566, 292733), (76893, 268646), (78337, 263694), (82327, 250914), (83638, 246981), (87898, 235011), (92442, 223459), (115134, 179417), (125457, 164654), (131847, 156674), (134323, 153786)]