20145370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41113}}^1$

素因数の和:41134

約数の個数: 24

約数和(自身を含む): 42182964

約数和(自身を除く): 22037594

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41113, 82226, 205565, 287791, 411130, 575582, 1438955, 2014537, 2877910, 4029074, 10072685, 20145370]

約数ペア:

[(1, 20145370), (2, 10072685), (5, 4029074), (7, 2877910), (10, 2014537), (14, 1438955), (35, 575582), (49, 411130), (70, 287791), (98, 205565), (245, 82226), (490, 41113)]