20215638

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{12619}}^1$

素因数の和:12716

約数の個数: 24

約数和(自身を含む): 44296200

約数和(自身を除く): 24080562

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 12619, 25238, 37857, 75714, 113571, 227142, 1123091, 2246182, 3369273, 6738546, 10107819, 20215638]

約数ペア:

[(1, 20215638), (2, 10107819), (3, 6738546), (6, 3369273), (9, 2246182), (18, 1123091), (89, 227142), (178, 113571), (267, 75714), (534, 37857), (801, 25238), (1602, 12619)]