20900856

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23537}}^1$

素因数の和:23583

約数の個数: 32

約数和(自身を含む): 53666640

約数和(自身を除く): 32765784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23537, 47074, 70611, 94148, 141222, 188296, 282444, 564888, 870869, 1741738, 2612607, 3483476, 5225214, 6966952, 10450428, 20900856]

約数ペア:

[(1, 20900856), (2, 10450428), (3, 6966952), (4, 5225214), (6, 3483476), (8, 2612607), (12, 1741738), (24, 870869), (37, 564888), (74, 282444), (111, 188296), (148, 141222), (222, 94148), (296, 70611), (444, 47074), (888, 23537)]