20210460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1861}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 56932512

約数和(自身を除く): 36722052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 1861, 2172, 2715, 3620, 3722, 5430, 5583, 7444, 9305, 10860, 11166, 18610, 22332, 27915, 37220, 55830, 111660, 336841, 673682, 1010523, 1347364, 1684205, 2021046, 3368410, 4042092, 5052615, 6736820, 10105230, 20210460]

約数ペア:

[(1, 20210460), (2, 10105230), (3, 6736820), (4, 5052615), (5, 4042092), (6, 3368410), (10, 2021046), (12, 1684205), (15, 1347364), (20, 1010523), (30, 673682), (60, 336841), (181, 111660), (362, 55830), (543, 37220), (724, 27915), (905, 22332), (1086, 18610), (1810, 11166), (1861, 10860), (2172, 9305), (2715, 7444), (3620, 5583), (3722, 5430)]