20952015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{521}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 38486016

約数和(自身を除く): 17534001

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 383, 521, 1149, 1563, 1915, 2605, 2681, 3647, 5745, 7815, 8043, 10941, 13405, 18235, 40215, 54705, 199543, 598629, 997715, 1396801, 2993145, 4190403, 6984005, 20952015]

約数ペア:

[(1, 20952015), (3, 6984005), (5, 4190403), (7, 2993145), (15, 1396801), (21, 997715), (35, 598629), (105, 199543), (383, 54705), (521, 40215), (1149, 18235), (1563, 13405), (1915, 10941), (2605, 8043), (2681, 7815), (3647, 5745)]