20984430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16267}}^1$

素因数の和:16320

約数の個数: 32

約数和(自身を含む): 51537024

約数和(自身を除く): 30552594

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16267, 32534, 48801, 81335, 97602, 162670, 244005, 488010, 699481, 1398962, 2098443, 3497405, 4196886, 6994810, 10492215, 20984430]

約数ペア:

[(1, 20984430), (2, 10492215), (3, 6994810), (5, 4196886), (6, 3497405), (10, 2098443), (15, 1398962), (30, 699481), (43, 488010), (86, 244005), (129, 162670), (215, 97602), (258, 81335), (430, 48801), (645, 32534), (1290, 16267)]