20565559030

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{66943}}^1$

素因数の和:67972

約数の個数: 32

約数和(自身を含む): 38251266048

約数和(自身を除く): 17685707018

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 991, 1982, 4955, 9910, 30721, 61442, 66943, 133886, 153605, 307210, 334715, 669430, 2075233, 4150466, 10376165, 20752330, 66340513, 132681026, 331702565, 663405130, 2056555903, 4113111806, 10282779515, 20565559030]

約数ペア:

[(1, 20565559030), (2, 10282779515), (5, 4113111806), (10, 2056555903), (31, 663405130), (62, 331702565), (155, 132681026), (310, 66340513), (991, 20752330), (1982, 10376165), (4955, 4150466), (9910, 2075233), (30721, 669430), (61442, 334715), (66943, 307210), (133886, 153605)]