20172274340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3581}}^1\times {\mathrm{3967}}^1$

素因数の和:7628

約数の個数: 48

約数和(自身を含む): 42981249024

約数和(自身を除く): 22808974684

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 3581, 3967, 7162, 7934, 14324, 15868, 17905, 19835, 35810, 39670, 71620, 79340, 254251, 281657, 508502, 563314, 1017004, 1126628, 1271255, 1408285, 2542510, 2816570, 5085020, 5633140, 14205827, 28411654, 56823308, 71029135, 142058270, 284116540, 1008613717, 2017227434, 4034454868, 5043068585, 10086137170, 20172274340]

約数ペア:

[(1, 20172274340), (2, 10086137170), (4, 5043068585), (5, 4034454868), (10, 2017227434), (20, 1008613717), (71, 284116540), (142, 142058270), (284, 71029135), (355, 56823308), (710, 28411654), (1420, 14205827), (3581, 5633140), (3967, 5085020), (7162, 2816570), (7934, 2542510), (14324, 1408285), (15868, 1271255), (17905, 1126628), (19835, 1017004), (35810, 563314), (39670, 508502), (71620, 281657), (79340, 254251)]