20496810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15889}}^1$

素因数の和:15942

約数の個数: 32

約数和(自身を含む): 50339520

約数和(自身を除く): 29842710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15889, 31778, 47667, 79445, 95334, 158890, 238335, 476670, 683227, 1366454, 2049681, 3416135, 4099362, 6832270, 10248405, 20496810]

約数ペア:

[(1, 20496810), (2, 10248405), (3, 6832270), (5, 4099362), (6, 3416135), (10, 2049681), (15, 1366454), (30, 683227), (43, 476670), (86, 238335), (129, 158890), (215, 95334), (258, 79445), (430, 47667), (645, 31778), (1290, 15889)]