20838045

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1093}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 35288064

約数和(自身を除く): 14450019

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1093, 1271, 3279, 3813, 5465, 6355, 16395, 19065, 33883, 44813, 101649, 134439, 169415, 224065, 508245, 672195, 1389203, 4167609, 6946015, 20838045]

約数ペア:

[(1, 20838045), (3, 6946015), (5, 4167609), (15, 1389203), (31, 672195), (41, 508245), (93, 224065), (123, 169415), (155, 134439), (205, 101649), (465, 44813), (615, 33883), (1093, 19065), (1271, 16395), (3279, 6355), (3813, 5465)]