20156810025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{155621}}^1$

素因数の和:155802

約数の個数: 48

約数和(自身を含む): 36587354688

約数和(自身を除く): 16430544663

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 157, 165, 275, 471, 785, 825, 1727, 2355, 3925, 5181, 8635, 11775, 25905, 43175, 129525, 155621, 466863, 778105, 1711831, 2334315, 3890525, 5135493, 8559155, 11671575, 24432497, 25677465, 42795775, 73297491, 122162485, 128387325, 268757467, 366487455, 610812425, 806272401, 1343787335, 1832437275, 4031362005, 6718936675, 20156810025]

約数ペア:

[(1, 20156810025), (3, 6718936675), (5, 4031362005), (11, 1832437275), (15, 1343787335), (25, 806272401), (33, 610812425), (55, 366487455), (75, 268757467), (157, 128387325), (165, 122162485), (275, 73297491), (471, 42795775), (785, 25677465), (825, 24432497), (1727, 11671575), (2355, 8559155), (3925, 5135493), (5181, 3890525), (8635, 2334315), (11775, 1711831), (25905, 778105), (43175, 466863), (129525, 155621)]