20333420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 45625440

約数和(自身を除く): 25292020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 733, 1387, 1460, 1466, 2774, 2932, 3665, 5548, 6935, 7330, 13870, 13927, 14660, 27740, 27854, 53509, 55708, 69635, 107018, 139270, 214036, 267545, 278540, 535090, 1016671, 1070180, 2033342, 4066684, 5083355, 10166710, 20333420]

約数ペア:

[(1, 20333420), (2, 10166710), (4, 5083355), (5, 4066684), (10, 2033342), (19, 1070180), (20, 1016671), (38, 535090), (73, 278540), (76, 267545), (95, 214036), (146, 139270), (190, 107018), (292, 69635), (365, 55708), (380, 53509), (730, 27854), (733, 27740), (1387, 14660), (1460, 13927), (1466, 13870), (2774, 7330), (2932, 6935), (3665, 5548)]