20113089180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{181297}}^1$

素因数の和:181395

約数の個数: 72

約数和(自身を含む): 57657115152

約数和(自身を除く): 37544025972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 1849, 2580, 3698, 5547, 7396, 9245, 11094, 18490, 22188, 27735, 36980, 55470, 110940, 181297, 362594, 543891, 725188, 906485, 1087782, 1812970, 2175564, 2719455, 3625940, 5438910, 7795771, 10877820, 15591542, 23387313, 31183084, 38978855, 46774626, 77957710, 93549252, 116936565, 155915420, 233873130, 335218153, 467746260, 670436306, 1005654459, 1340872612, 1676090765, 2011308918, 3352181530, 4022617836, 5028272295, 6704363060, 10056544590, 20113089180]

約数ペア:

[(1, 20113089180), (2, 10056544590), (3, 6704363060), (4, 5028272295), (5, 4022617836), (6, 3352181530), (10, 2011308918), (12, 1676090765), (15, 1340872612), (20, 1005654459), (30, 670436306), (43, 467746260), (60, 335218153), (86, 233873130), (129, 155915420), (172, 116936565), (215, 93549252), (258, 77957710), (430, 46774626), (516, 38978855), (645, 31183084), (860, 23387313), (1290, 15591542), (1849, 10877820), (2580, 7795771), (3698, 5438910), (5547, 3625940), (7396, 2719455), (9245, 2175564), (11094, 1812970), (18490, 1087782), (22188, 906485), (27735, 725188), (36980, 543891), (55470, 362594), (110940, 181297)]