20057030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{821}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 41428800

約数和(自身を除く): 21371770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 349, 698, 821, 1642, 1745, 2443, 3490, 4105, 4886, 5747, 8210, 11494, 12215, 24430, 28735, 57470, 286529, 573058, 1432645, 2005703, 2865290, 4011406, 10028515, 20057030]

約数ペア:

[(1, 20057030), (2, 10028515), (5, 4011406), (7, 2865290), (10, 2005703), (14, 1432645), (35, 573058), (70, 286529), (349, 57470), (698, 28735), (821, 24430), (1642, 12215), (1745, 11494), (2443, 8210), (3490, 5747), (4105, 4886)]