20155616

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3727}}^1$

素因数の和:3763

約数の個数: 36

約数和(自身を含む): 42980112

約数和(自身を除く): 22824496

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3727, 5408, 7454, 14908, 29816, 48451, 59632, 96902, 119264, 193804, 387608, 629863, 775216, 1259726, 1550432, 2519452, 5038904, 10077808, 20155616]

約数ペア:

[(1, 20155616), (2, 10077808), (4, 5038904), (8, 2519452), (13, 1550432), (16, 1259726), (26, 775216), (32, 629863), (52, 387608), (104, 193804), (169, 119264), (208, 96902), (338, 59632), (416, 48451), (676, 29816), (1352, 14908), (2704, 7454), (3727, 5408)]