20164798745

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{8233}}^1$

素因数の和:9034

約数の個数: 48

約数和(自身を含む): 30356781840

約数和(自身を除く): 10191983095

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 769, 3185, 3845, 5383, 8233, 9997, 26915, 37681, 41165, 49985, 57631, 69979, 107029, 188405, 288155, 349895, 403417, 489853, 535145, 749203, 2017085, 2449265, 3746015, 5244421, 6331177, 26222105, 31655885, 44318239, 82305301, 221591195, 310227673, 411526505, 576137107, 1551138365, 2880685535, 4032959749, 20164798745]

約数ペア:

[(1, 20164798745), (5, 4032959749), (7, 2880685535), (13, 1551138365), (35, 576137107), (49, 411526505), (65, 310227673), (91, 221591195), (245, 82305301), (455, 44318239), (637, 31655885), (769, 26222105), (3185, 6331177), (3845, 5244421), (5383, 3746015), (8233, 2449265), (9997, 2017085), (26915, 749203), (37681, 535145), (41165, 489853), (49985, 403417), (57631, 349895), (69979, 288155), (107029, 188405)]