20462816

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 44715888

約数和(自身を除く): 24253072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 88, 122, 176, 244, 352, 488, 671, 953, 976, 1342, 1906, 1952, 2684, 3812, 5368, 7624, 10483, 10736, 15248, 20966, 21472, 30496, 41932, 58133, 83864, 116266, 167728, 232532, 335456, 465064, 639463, 930128, 1278926, 1860256, 2557852, 5115704, 10231408, 20462816]

約数ペア:

[(1, 20462816), (2, 10231408), (4, 5115704), (8, 2557852), (11, 1860256), (16, 1278926), (22, 930128), (32, 639463), (44, 465064), (61, 335456), (88, 232532), (122, 167728), (176, 116266), (244, 83864), (352, 58133), (488, 41932), (671, 30496), (953, 21472), (976, 20966), (1342, 15248), (1906, 10736), (1952, 10483), (2684, 7624), (3812, 5368)]