20921732351

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1\times {\mathrm{1409}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 23996891520

約数和(自身を除く): 3075159169

約数列:

[1, 13, 23, 53, 299, 689, 937, 1219, 1409, 12181, 15847, 18317, 21551, 32407, 49661, 74677, 280163, 421291, 645593, 970801, 1142203, 1320233, 1717571, 14848639, 17163029, 22328423, 30365359, 69972349, 394749667, 909640537, 1609364027, 20921732351]

約数ペア:

[(1, 20921732351), (13, 1609364027), (23, 909640537), (53, 394749667), (299, 69972349), (689, 30365359), (937, 22328423), (1219, 17163029), (1409, 14848639), (12181, 1717571), (15847, 1320233), (18317, 1142203), (21551, 970801), (32407, 645593), (49661, 421291), (74677, 280163)]