20176400020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2137}}^1\times {\mathrm{3967}}^1$

素因数の和:6137

約数の個数: 96

約数和(自身を含む): 51308716032

約数和(自身を除く): 31132316012

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2137, 2380, 3967, 4274, 7934, 8548, 10685, 14959, 15868, 19835, 21370, 27769, 29918, 36329, 39670, 42740, 55538, 59836, 67439, 72658, 74795, 79340, 111076, 134878, 138845, 145316, 149590, 181645, 254303, 269756, 277690, 299180, 337195, 363290, 472073, 508606, 555380, 674390, 726580, 944146, 1017212, 1271515, 1348780, 1888292, 2360365, 2543030, 4720730, 5086060, 8477479, 9441460, 16954958, 33909916, 42387395, 59342353, 84774790, 118684706, 144117143, 169549580, 237369412, 288234286, 296711765, 576468572, 593423530, 720585715, 1008820001, 1186847060, 1441171430, 2017640002, 2882342860, 4035280004, 5044100005, 10088200010, 20176400020]

約数ペア:

[(1, 20176400020), (2, 10088200010), (4, 5044100005), (5, 4035280004), (7, 2882342860), (10, 2017640002), (14, 1441171430), (17, 1186847060), (20, 1008820001), (28, 720585715), (34, 593423530), (35, 576468572), (68, 296711765), (70, 288234286), (85, 237369412), (119, 169549580), (140, 144117143), (170, 118684706), (238, 84774790), (340, 59342353), (476, 42387395), (595, 33909916), (1190, 16954958), (2137, 9441460), (2380, 8477479), (3967, 5086060), (4274, 4720730), (7934, 2543030), (8548, 2360365), (10685, 1888292), (14959, 1348780), (15868, 1271515), (19835, 1017212), (21370, 944146), (27769, 726580), (29918, 674390), (36329, 555380), (39670, 508606), (42740, 472073), (55538, 363290), (59836, 337195), (67439, 299180), (72658, 277690), (74795, 269756), (79340, 254303), (111076, 181645), (134878, 149590), (138845, 145316)]