20491182

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{12791}}^1$

素因数の和:12888

約数の個数: 24

約数和(自身を含む): 44899920

約数和(自身を除く): 24408738

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 12791, 25582, 38373, 76746, 115119, 230238, 1138399, 2276798, 3415197, 6830394, 10245591, 20491182]

約数ペア:

[(1, 20491182), (2, 10245591), (3, 6830394), (6, 3415197), (9, 2276798), (18, 1138399), (89, 230238), (178, 115119), (267, 76746), (534, 38373), (801, 25582), (1602, 12791)]