20859776

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:803

約数の個数: 64

約数和(自身を含む): 49090560

約数和(自身を除く): 28230784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 751, 868, 896, 992, 1502, 1736, 1984, 3004, 3472, 3968, 5257, 6008, 6944, 10514, 12016, 13888, 21028, 23281, 24032, 27776, 42056, 46562, 48064, 84112, 93124, 96128, 162967, 168224, 186248, 325934, 336448, 372496, 651868, 672896, 744992, 1303736, 1489984, 2607472, 2979968, 5214944, 10429888, 20859776]

約数ペア:

[(1, 20859776), (2, 10429888), (4, 5214944), (7, 2979968), (8, 2607472), (14, 1489984), (16, 1303736), (28, 744992), (31, 672896), (32, 651868), (56, 372496), (62, 336448), (64, 325934), (112, 186248), (124, 168224), (128, 162967), (217, 96128), (224, 93124), (248, 84112), (434, 48064), (448, 46562), (496, 42056), (751, 27776), (868, 24032), (896, 23281), (992, 21028), (1502, 13888), (1736, 12016), (1984, 10514), (3004, 6944), (3472, 6008), (3968, 5257)]