20170943305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{156467}}^1$

素因数の和:156573

約数の個数: 32

約数和(自身を含む): 27037670400

約数和(自身を除く): 6866727095

約数列:

[1, 5, 19, 23, 59, 95, 115, 295, 437, 1121, 1357, 2185, 5605, 6785, 25783, 128915, 156467, 782335, 2972873, 3598741, 9231553, 14864365, 17993705, 46157765, 68376079, 175399507, 212325719, 341880395, 876997535, 1061628595, 4034188661, 20170943305]

約数ペア:

[(1, 20170943305), (5, 4034188661), (19, 1061628595), (23, 876997535), (59, 341880395), (95, 212325719), (115, 175399507), (295, 68376079), (437, 46157765), (1121, 17993705), (1357, 14864365), (2185, 9231553), (5605, 3598741), (6785, 2972873), (25783, 782335), (128915, 156467)]