20147495440

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{414899}}^1$

素因数の和:415519

約数の個数: 40

約数和(自身を含む): 46920211200

約数和(自身を除く): 26772715760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 2428, 3035, 4856, 6070, 9712, 12140, 24280, 48560, 414899, 829798, 1659596, 2074495, 3319192, 4148990, 6638384, 8297980, 16595960, 33191920, 251843693, 503687386, 1007374772, 1259218465, 2014749544, 2518436930, 4029499088, 5036873860, 10073747720, 20147495440]

約数ペア:

[(1, 20147495440), (2, 10073747720), (4, 5036873860), (5, 4029499088), (8, 2518436930), (10, 2014749544), (16, 1259218465), (20, 1007374772), (40, 503687386), (80, 251843693), (607, 33191920), (1214, 16595960), (2428, 8297980), (3035, 6638384), (4856, 4148990), (6070, 3319192), (9712, 2074495), (12140, 1659596), (24280, 829798), (48560, 414899)]