20873670503

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{17483}}^1$

素因数の和:17747

約数の個数: 32

約数和(自身を含む): 25781207040

約数和(自身を除く): 4907536537

約数列:

[1, 7, 19, 47, 133, 191, 329, 893, 1337, 3629, 6251, 8977, 17483, 25403, 62839, 122381, 170563, 332177, 821701, 1193941, 2325239, 3339253, 5751907, 15612319, 23374771, 63445807, 109286233, 156944891, 444120649, 1098614237, 2981952929, 20873670503]

約数ペア:

[(1, 20873670503), (7, 2981952929), (19, 1098614237), (47, 444120649), (133, 156944891), (191, 109286233), (329, 63445807), (893, 23374771), (1337, 15612319), (3629, 5751907), (6251, 3339253), (8977, 2325239), (17483, 1193941), (25403, 821701), (62839, 332177), (122381, 170563)]