20131718684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2253887}}^1$

素因数の和:2253938

約数の個数: 48

約数和(自身を含む): 45438382080

約数和(自身を除く): 25306663396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 4466, 8932, 2253887, 4507774, 9015548, 15777209, 24792757, 31554418, 49585514, 63108836, 65362723, 99171028, 130725446, 173549299, 261450892, 347098598, 457539061, 694197196, 718989953, 915078122, 1437979906, 1830156244, 2875959812, 5032929671, 10065859342, 20131718684]

約数ペア:

[(1, 20131718684), (2, 10065859342), (4, 5032929671), (7, 2875959812), (11, 1830156244), (14, 1437979906), (22, 915078122), (28, 718989953), (29, 694197196), (44, 457539061), (58, 347098598), (77, 261450892), (116, 173549299), (154, 130725446), (203, 99171028), (308, 65362723), (319, 63108836), (406, 49585514), (638, 31554418), (812, 24792757), (1276, 15777209), (2233, 9015548), (4466, 4507774), (8932, 2253887)]