20912919952

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{677}}^1\times {\mathrm{3119}}^1$

素因数の和:4423

約数の個数: 40

約数和(自身を含む): 40657219200

約数和(自身を除く): 19744299248

約数列:

[1, 2, 4, 8, 16, 619, 677, 1238, 1354, 2476, 2708, 3119, 4952, 5416, 6238, 9904, 10832, 12476, 24952, 49904, 419063, 838126, 1676252, 1930661, 2111563, 3352504, 3861322, 4223126, 6705008, 7722644, 8446252, 15445288, 16892504, 30890576, 33785008, 1307057497, 2614114994, 5228229988, 10456459976, 20912919952]

約数ペア:

[(1, 20912919952), (2, 10456459976), (4, 5228229988), (8, 2614114994), (16, 1307057497), (619, 33785008), (677, 30890576), (1238, 16892504), (1354, 15445288), (2476, 8446252), (2708, 7722644), (3119, 6705008), (4952, 4223126), (5416, 3861322), (6238, 3352504), (9904, 2111563), (10832, 1930661), (12476, 1676252), (24952, 838126), (49904, 419063)]