20703256

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2137}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 44641440

約数和(自身を除く): 23938184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2137, 2422, 4274, 4844, 8548, 9688, 14959, 17096, 29918, 59836, 119672, 369701, 739402, 1478804, 2587907, 2957608, 5175814, 10351628, 20703256]

約数ペア:

[(1, 20703256), (2, 10351628), (4, 5175814), (7, 2957608), (8, 2587907), (14, 1478804), (28, 739402), (56, 369701), (173, 119672), (346, 59836), (692, 29918), (1211, 17096), (1384, 14959), (2137, 9688), (2422, 8548), (4274, 4844)]