20120782690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{151729}}^1$

素因数の和:151974

約数の個数: 32

約数和(自身を含む): 36870390000

約数和(自身を除く): 16749607310

約数列:

[1, 2, 5, 10, 89, 149, 178, 298, 445, 745, 890, 1490, 13261, 26522, 66305, 132610, 151729, 303458, 758645, 1517290, 13503881, 22607621, 27007762, 45215242, 67519405, 113038105, 135038810, 226076210, 2012078269, 4024156538, 10060391345, 20120782690]

約数ペア:

[(1, 20120782690), (2, 10060391345), (5, 4024156538), (10, 2012078269), (89, 226076210), (149, 135038810), (178, 113038105), (298, 67519405), (445, 45215242), (745, 27007762), (890, 22607621), (1490, 13503881), (13261, 1517290), (26522, 758645), (66305, 303458), (132610, 151729)]