20415698765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4111}}^1\times {\mathrm{12899}}^1$

素因数の和:17033

約数の個数: 32

約数和(自身を含む): 30553804800

約数和(自身を除く): 10138106035

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 4111, 12899, 20555, 28777, 45221, 64495, 90293, 141889, 143885, 226105, 316547, 451465, 709445, 993223, 1582735, 4966115, 53027789, 265138945, 371194523, 583305679, 1855972615, 2916528395, 4083139753, 20415698765]

約数ペア:

[(1, 20415698765), (5, 4083139753), (7, 2916528395), (11, 1855972615), (35, 583305679), (55, 371194523), (77, 265138945), (385, 53027789), (4111, 4966115), (12899, 1582735), (20555, 993223), (28777, 709445), (45221, 451465), (64495, 316547), (90293, 226105), (141889, 143885)]