20454974190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32468213}}^1$

素因数の和:32468233

約数の個数: 48

約数和(自身を含む): 60780496608

約数和(自身を除く): 40325522418

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32468213, 64936426, 97404639, 162341065, 194809278, 227277491, 292213917, 324682130, 454554982, 487023195, 584427834, 681832473, 974046390, 1136387455, 1363664946, 1461069585, 2045497419, 2272774910, 2922139170, 3409162365, 4090994838, 6818324730, 10227487095, 20454974190]

約数ペア:

[(1, 20454974190), (2, 10227487095), (3, 6818324730), (5, 4090994838), (6, 3409162365), (7, 2922139170), (9, 2272774910), (10, 2045497419), (14, 1461069585), (15, 1363664946), (18, 1136387455), (21, 974046390), (30, 681832473), (35, 584427834), (42, 487023195), (45, 454554982), (63, 324682130), (70, 292213917), (90, 227277491), (105, 194809278), (126, 162341065), (210, 97404639), (315, 64936426), (630, 32468213)]