20125504970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69398293}}^1$

素因数の和:69398329

約数の個数: 16

約数和(自身を含む): 37475078760

約数和(自身を除く): 17349573790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69398293, 138796586, 346991465, 693982930, 2012550497, 4025100994, 10062752485, 20125504970]

約数ペア:

[(1, 20125504970), (2, 10062752485), (5, 4025100994), (10, 2012550497), (29, 693982930), (58, 346991465), (145, 138796586), (290, 69398293)]