20188920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2027}}^1$

素因数の和:2124

約数の個数: 64

約数和(自身を含む): 61326720

約数和(自身を除く): 41137800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2027, 2490, 3320, 4054, 4980, 6081, 8108, 9960, 10135, 12162, 16216, 20270, 24324, 30405, 40540, 48648, 60810, 81080, 121620, 168241, 243240, 336482, 504723, 672964, 841205, 1009446, 1345928, 1682410, 2018892, 2523615, 3364820, 4037784, 5047230, 6729640, 10094460, 20188920]

約数ペア:

[(1, 20188920), (2, 10094460), (3, 6729640), (4, 5047230), (5, 4037784), (6, 3364820), (8, 2523615), (10, 2018892), (12, 1682410), (15, 1345928), (20, 1009446), (24, 841205), (30, 672964), (40, 504723), (60, 336482), (83, 243240), (120, 168241), (166, 121620), (249, 81080), (332, 60810), (415, 48648), (498, 40540), (664, 30405), (830, 24324), (996, 20270), (1245, 16216), (1660, 12162), (1992, 10135), (2027, 9960), (2490, 8108), (3320, 6081), (4054, 4980)]