20807910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5639}}^1$

素因数の和:5693

約数の個数: 48

約数和(自身を含む): 55429920

約数和(自身を除く): 34622010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5639, 11278, 16917, 28195, 33834, 50751, 56390, 84585, 101502, 169170, 231199, 253755, 462398, 507510, 693597, 1155995, 1387194, 2080791, 2311990, 3467985, 4161582, 6935970, 10403955, 20807910]

約数ペア:

[(1, 20807910), (2, 10403955), (3, 6935970), (5, 4161582), (6, 3467985), (9, 2311990), (10, 2080791), (15, 1387194), (18, 1155995), (30, 693597), (41, 507510), (45, 462398), (82, 253755), (90, 231199), (123, 169170), (205, 101502), (246, 84585), (369, 56390), (410, 50751), (615, 33834), (738, 28195), (1230, 16917), (1845, 11278), (3690, 5639)]