20155688

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6791}}^1$

素因数の和:6857

約数の個数: 32

約数和(自身を含む): 44012160

約数和(自身を除く): 23856472

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6791, 13582, 27164, 47537, 54328, 95074, 190148, 359923, 380296, 719846, 1439692, 2519461, 2879384, 5038922, 10077844, 20155688]

約数ペア:

[(1, 20155688), (2, 10077844), (4, 5038922), (7, 2879384), (8, 2519461), (14, 1439692), (28, 719846), (53, 380296), (56, 359923), (106, 190148), (212, 95074), (371, 54328), (424, 47537), (742, 27164), (1484, 13582), (2968, 6791)]