20163685087

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{8039}}^1$

素因数の和:8743

約数の個数: 32

約数和(自身を含む): 25436759040

約数和(自身を除く): 5273073953

約数列:

[1, 7, 13, 43, 91, 301, 559, 641, 3913, 4487, 8039, 8333, 27563, 56273, 58331, 104507, 192941, 345677, 358319, 731549, 2419739, 2508233, 4493801, 5152999, 31456607, 36070993, 66988987, 221578957, 468922909, 1551052699, 2880526441, 20163685087]

約数ペア:

[(1, 20163685087), (7, 2880526441), (13, 1551052699), (43, 468922909), (91, 221578957), (301, 66988987), (559, 36070993), (641, 31456607), (3913, 5152999), (4487, 4493801), (8039, 2508233), (8333, 2419739), (27563, 731549), (56273, 358319), (58331, 345677), (104507, 192941)]