20121120215

素因数分解:

$5^1\times 7^1\times {\mathrm{7573}}^1\times {\mathrm{75913}}^1$

素因数の和:83498

約数の個数: 16

約数和(自身を含む): 27598686528

約数和(自身を除く): 7477566313

約数列:

[1, 5, 7, 35, 7573, 37865, 53011, 75913, 265055, 379565, 531391, 2656955, 574889149, 2874445745, 4024224043, 20121120215]

約数ペア:

[(1, 20121120215), (5, 4024224043), (7, 2874445745), (35, 574889149), (7573, 2656955), (37865, 531391), (53011, 379565), (75913, 265055)]