20165642060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1\times {\mathrm{641}}^1$

素因数の和:1083

約数の個数: 96

約数和(自身を含む): 43864172352

約数和(自身を除く): 23698530292

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 233, 314, 430, 466, 628, 641, 785, 860, 932, 1165, 1282, 1570, 2330, 2564, 3140, 3205, 4660, 6410, 6751, 10019, 12820, 13502, 20038, 27004, 27563, 33755, 36581, 40076, 50095, 55126, 67510, 73162, 100190, 100637, 110252, 135020, 137815, 146324, 149353, 182905, 200380, 201274, 275630, 298706, 365810, 402548, 503185, 551260, 597412, 731620, 746765, 1006370, 1493530, 1572983, 2012740, 2987060, 3145966, 4327391, 6291932, 6422179, 7864915, 8654782, 12844358, 15729830, 17309564, 21636955, 23448421, 25688716, 31459660, 32110895, 43273910, 46896842, 64221790, 86547820, 93793684, 117242105, 128443580, 234484210, 468968420, 1008282103, 2016564206, 4033128412, 5041410515, 10082821030, 20165642060]

約数ペア:

[(1, 20165642060), (2, 10082821030), (4, 5041410515), (5, 4033128412), (10, 2016564206), (20, 1008282103), (43, 468968420), (86, 234484210), (157, 128443580), (172, 117242105), (215, 93793684), (233, 86547820), (314, 64221790), (430, 46896842), (466, 43273910), (628, 32110895), (641, 31459660), (785, 25688716), (860, 23448421), (932, 21636955), (1165, 17309564), (1282, 15729830), (1570, 12844358), (2330, 8654782), (2564, 7864915), (3140, 6422179), (3205, 6291932), (4660, 4327391), (6410, 3145966), (6751, 2987060), (10019, 2012740), (12820, 1572983), (13502, 1493530), (20038, 1006370), (27004, 746765), (27563, 731620), (33755, 597412), (36581, 551260), (40076, 503185), (50095, 402548), (55126, 365810), (67510, 298706), (73162, 275630), (100190, 201274), (100637, 200380), (110252, 182905), (135020, 149353), (137815, 146324)]