20742105

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1163}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 35199360

約数和(自身を除く): 14457255

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1163, 1189, 3489, 3567, 5815, 5945, 17445, 17835, 33727, 47683, 101181, 143049, 168635, 238415, 505905, 715245, 1382807, 4148421, 6914035, 20742105]

約数ペア:

[(1, 20742105), (3, 6914035), (5, 4148421), (15, 1382807), (29, 715245), (41, 505905), (87, 238415), (123, 168635), (145, 143049), (205, 101181), (435, 47683), (615, 33727), (1163, 17835), (1189, 17445), (3489, 5945), (3567, 5815)]