20485078718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1877}}^1\times {\mathrm{3851}}^1$

素因数の和:5852

約数の個数: 32

約数和(自身を含む): 33421338720

約数和(自身を除く): 12936260002

約数列:

[1, 2, 13, 26, 109, 218, 1417, 1877, 2834, 3754, 3851, 7702, 24401, 48802, 50063, 100126, 204593, 409186, 419759, 839518, 2659709, 5319418, 5456867, 7228327, 10913734, 14456654, 93968251, 187936502, 787887643, 1575775286, 10242539359, 20485078718]

約数ペア:

[(1, 20485078718), (2, 10242539359), (13, 1575775286), (26, 787887643), (109, 187936502), (218, 93968251), (1417, 14456654), (1877, 10913734), (2834, 7228327), (3754, 5456867), (3851, 5319418), (7702, 2659709), (24401, 839518), (48802, 419759), (50063, 409186), (100126, 204593)]