20921457583

素因数分解:

${\mathrm{13}}^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 23133600000

約数和(自身を除く): 2212142417

約数列:

[1, 13, 79, 149, 169, 809, 1027, 1937, 2197, 10517, 11771, 13351, 25181, 63911, 120541, 136721, 153023, 173563, 327353, 830843, 1567033, 1777373, 1989299, 9522739, 10800959, 20371429, 25860887, 123795607, 140412467, 264828577, 1609342891, 20921457583]

約数ペア:

[(1, 20921457583), (13, 1609342891), (79, 264828577), (149, 140412467), (169, 123795607), (809, 25860887), (1027, 20371429), (1937, 10800959), (2197, 9522739), (10517, 1989299), (11771, 1777373), (13351, 1567033), (25181, 830843), (63911, 327353), (120541, 173563), (136721, 153023)]