20575240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73483}}^1$

素因数の和:73501

約数の個数: 32

約数和(自身を含む): 52908480

約数和(自身を除く): 32333240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73483, 146966, 293932, 367415, 514381, 587864, 734830, 1028762, 1469660, 2057524, 2571905, 2939320, 4115048, 5143810, 10287620, 20575240]

約数ペア:

[(1, 20575240), (2, 10287620), (4, 5143810), (5, 4115048), (7, 2939320), (8, 2571905), (10, 2057524), (14, 1469660), (20, 1028762), (28, 734830), (35, 587864), (40, 514381), (56, 367415), (70, 293932), (140, 146966), (280, 73483)]