20127720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4091}}^1$

素因数の和:4146

約数の個数: 64

約数和(自身を含む): 61871040

約数和(自身を除く): 41743320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4091, 4920, 8182, 12273, 16364, 20455, 24546, 32728, 40910, 49092, 61365, 81820, 98184, 122730, 163640, 167731, 245460, 335462, 490920, 503193, 670924, 838655, 1006386, 1341848, 1677310, 2012772, 2515965, 3354620, 4025544, 5031930, 6709240, 10063860, 20127720]

約数ペア:

[(1, 20127720), (2, 10063860), (3, 6709240), (4, 5031930), (5, 4025544), (6, 3354620), (8, 2515965), (10, 2012772), (12, 1677310), (15, 1341848), (20, 1006386), (24, 838655), (30, 670924), (40, 503193), (41, 490920), (60, 335462), (82, 245460), (120, 167731), (123, 163640), (164, 122730), (205, 98184), (246, 81820), (328, 61365), (410, 49092), (492, 40910), (615, 32728), (820, 24546), (984, 20455), (1230, 16364), (1640, 12273), (2460, 8182), (4091, 4920)]