20435430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 51528960

約数和(自身を除く): 31093530

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 83, 87, 145, 166, 174, 249, 283, 290, 415, 435, 498, 566, 830, 849, 870, 1245, 1415, 1698, 2407, 2490, 2830, 4245, 4814, 7221, 8207, 8490, 12035, 14442, 16414, 23489, 24070, 24621, 36105, 41035, 46978, 49242, 70467, 72210, 82070, 117445, 123105, 140934, 234890, 246210, 352335, 681181, 704670, 1362362, 2043543, 3405905, 4087086, 6811810, 10217715, 20435430]

約数ペア:

[(1, 20435430), (2, 10217715), (3, 6811810), (5, 4087086), (6, 3405905), (10, 2043543), (15, 1362362), (29, 704670), (30, 681181), (58, 352335), (83, 246210), (87, 234890), (145, 140934), (166, 123105), (174, 117445), (249, 82070), (283, 72210), (290, 70467), (415, 49242), (435, 46978), (498, 41035), (566, 36105), (830, 24621), (849, 24070), (870, 23489), (1245, 16414), (1415, 14442), (1698, 12035), (2407, 8490), (2490, 8207), (2830, 7221), (4245, 4814)]