20401740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37781}}^1$

素因数の和:37799

約数の個数: 48

約数和(自身を含む): 63473760

約数和(自身を除く): 43072020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37781, 75562, 113343, 151124, 188905, 226686, 340029, 377810, 453372, 566715, 680058, 755620, 1020087, 1133430, 1360116, 1700145, 2040174, 2266860, 3400290, 4080348, 5100435, 6800580, 10200870, 20401740]

約数ペア:

[(1, 20401740), (2, 10200870), (3, 6800580), (4, 5100435), (5, 4080348), (6, 3400290), (9, 2266860), (10, 2040174), (12, 1700145), (15, 1360116), (18, 1133430), (20, 1020087), (27, 755620), (30, 680058), (36, 566715), (45, 453372), (54, 377810), (60, 340029), (90, 226686), (108, 188905), (135, 151124), (180, 113343), (270, 75562), (540, 37781)]