20173671140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{535679}}^1$

素因数の和:535964

約数の個数: 48

約数和(自身を含む): 48596889600

約数和(自身を除く): 28423218460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1883, 2690, 3766, 5380, 7532, 9415, 18830, 37660, 535679, 1071358, 2142716, 2678395, 3749753, 5356790, 7499506, 10713580, 14999012, 18748765, 37497530, 74995060, 144097651, 288195302, 576390604, 720488255, 1008683557, 1440976510, 2017367114, 2881953020, 4034734228, 5043417785, 10086835570, 20173671140]

約数ペア:

[(1, 20173671140), (2, 10086835570), (4, 5043417785), (5, 4034734228), (7, 2881953020), (10, 2017367114), (14, 1440976510), (20, 1008683557), (28, 720488255), (35, 576390604), (70, 288195302), (140, 144097651), (269, 74995060), (538, 37497530), (1076, 18748765), (1345, 14999012), (1883, 10713580), (2690, 7499506), (3766, 5356790), (5380, 3749753), (7532, 2678395), (9415, 2142716), (18830, 1071358), (37660, 535679)]