20121902715

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{85427}}^1$

素因数の和:85859

約数の個数: 32

約数和(自身を含む): 33066786816

約数和(自身を除く): 12944884101

約数列:

[1, 3, 5, 15, 41, 123, 205, 383, 615, 1149, 1915, 5745, 15703, 47109, 78515, 85427, 235545, 256281, 427135, 1281405, 3502507, 10507521, 17512535, 32718541, 52537605, 98155623, 163592705, 490778115, 1341460181, 4024380543, 6707300905, 20121902715]

約数ペア:

[(1, 20121902715), (3, 6707300905), (5, 4024380543), (15, 1341460181), (41, 490778115), (123, 163592705), (205, 98155623), (383, 52537605), (615, 32718541), (1149, 17512535), (1915, 10507521), (5745, 3502507), (15703, 1281405), (47109, 427135), (78515, 256281), (85427, 235545)]