20409780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10973}}^1$

素因数の和:11016

約数の個数: 48

約数和(自身を含む): 58996224

約数和(自身を除く): 38586444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10973, 21946, 32919, 43892, 54865, 65838, 109730, 131676, 164595, 219460, 329190, 340163, 658380, 680326, 1020489, 1360652, 1700815, 2040978, 3401630, 4081956, 5102445, 6803260, 10204890, 20409780]

約数ペア:

[(1, 20409780), (2, 10204890), (3, 6803260), (4, 5102445), (5, 4081956), (6, 3401630), (10, 2040978), (12, 1700815), (15, 1360652), (20, 1020489), (30, 680326), (31, 658380), (60, 340163), (62, 329190), (93, 219460), (124, 164595), (155, 131676), (186, 109730), (310, 65838), (372, 54865), (465, 43892), (620, 32919), (930, 21946), (1860, 10973)]