20574736

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1087}}^1$

素因数の和:1128

約数の個数: 60

約数和(自身を含む): 49377792

約数和(自身を除く): 28803056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1087, 1183, 1352, 1456, 2174, 2366, 2704, 4348, 4732, 7609, 8696, 9464, 14131, 15218, 17392, 18928, 28262, 30436, 56524, 60872, 98917, 113048, 121744, 183703, 197834, 226096, 367406, 395668, 734812, 791336, 1285921, 1469624, 1582672, 2571842, 2939248, 5143684, 10287368, 20574736]

約数ペア:

[(1, 20574736), (2, 10287368), (4, 5143684), (7, 2939248), (8, 2571842), (13, 1582672), (14, 1469624), (16, 1285921), (26, 791336), (28, 734812), (52, 395668), (56, 367406), (91, 226096), (104, 197834), (112, 183703), (169, 121744), (182, 113048), (208, 98917), (338, 60872), (364, 56524), (676, 30436), (728, 28262), (1087, 18928), (1183, 17392), (1352, 15218), (1456, 14131), (2174, 9464), (2366, 8696), (2704, 7609), (4348, 4732)]