20657253994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{2503}}^1$

素因数の和:2951

約数の個数: 64

約数和(自身を含む): 35871542784

約数和(自身を除く): 15214288790

約数列:

[1, 2, 13, 23, 26, 37, 46, 74, 299, 373, 481, 598, 746, 851, 962, 1702, 2503, 4849, 5006, 8579, 9698, 11063, 13801, 17158, 22126, 27602, 32539, 57569, 65078, 92611, 111527, 115138, 179413, 185222, 223054, 317423, 358826, 634846, 748397, 933619, 1203943, 1496794, 1867238, 2130053, 2407886, 4126499, 4260106, 8252998, 12137047, 21473237, 24274094, 27690689, 34543903, 42946474, 55381378, 69087806, 279152081, 449070739, 558304162, 794509769, 898141478, 1589019538, 10328626997, 20657253994]

約数ペア:

[(1, 20657253994), (2, 10328626997), (13, 1589019538), (23, 898141478), (26, 794509769), (37, 558304162), (46, 449070739), (74, 279152081), (299, 69087806), (373, 55381378), (481, 42946474), (598, 34543903), (746, 27690689), (851, 24274094), (962, 21473237), (1702, 12137047), (2503, 8252998), (4849, 4260106), (5006, 4126499), (8579, 2407886), (9698, 2130053), (11063, 1867238), (13801, 1496794), (17158, 1203943), (22126, 933619), (27602, 748397), (32539, 634846), (57569, 358826), (65078, 317423), (92611, 223054), (111527, 185222), (115138, 179413)]