20702752

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3187}}^1$

素因数の和:3233

約数の個数: 48

約数和(自身を含む): 48202560

約数和(自身を除く): 27499808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3187, 3248, 6374, 6496, 12748, 22309, 25496, 44618, 50992, 89236, 92423, 101984, 178472, 184846, 356944, 369692, 646961, 713888, 739384, 1293922, 1478768, 2587844, 2957536, 5175688, 10351376, 20702752]

約数ペア:

[(1, 20702752), (2, 10351376), (4, 5175688), (7, 2957536), (8, 2587844), (14, 1478768), (16, 1293922), (28, 739384), (29, 713888), (32, 646961), (56, 369692), (58, 356944), (112, 184846), (116, 178472), (203, 101984), (224, 92423), (232, 89236), (406, 50992), (464, 44618), (812, 25496), (928, 22309), (1624, 12748), (3187, 6496), (3248, 6374)]