20172986520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1070753}}^1$

素因数の和:1070924

約数の個数: 64

約数和(自身を含む): 60904487520

約数和(自身を除く): 40731501000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 1070753, 2141506, 3212259, 4283012, 5353765, 6424518, 8566024, 10707530, 12849036, 16061295, 21415060, 25698072, 32122590, 42830120, 64245180, 128490360, 168108221, 336216442, 504324663, 672432884, 840541105, 1008649326, 1344865768, 1681082210, 2017298652, 2521623315, 3362164420, 4034597304, 5043246630, 6724328840, 10086493260, 20172986520]

約数ペア:

[(1, 20172986520), (2, 10086493260), (3, 6724328840), (4, 5043246630), (5, 4034597304), (6, 3362164420), (8, 2521623315), (10, 2017298652), (12, 1681082210), (15, 1344865768), (20, 1008649326), (24, 840541105), (30, 672432884), (40, 504324663), (60, 336216442), (120, 168108221), (157, 128490360), (314, 64245180), (471, 42830120), (628, 32122590), (785, 25698072), (942, 21415060), (1256, 16061295), (1570, 12849036), (1884, 10707530), (2355, 8566024), (3140, 6424518), (3768, 5353765), (4710, 4283012), (6280, 3212259), (9420, 2141506), (18840, 1070753)]