20155027095

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{42571}}^1$

素因数の和:42762

約数の個数: 80

約数和(自身を含む): 41539373568

約数和(自身を除く): 21384346473

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 167, 189, 315, 405, 501, 567, 835, 945, 1169, 1503, 2505, 2835, 3507, 4509, 5845, 7515, 10521, 13527, 17535, 22545, 31563, 42571, 52605, 67635, 94689, 127713, 157815, 212855, 297997, 383139, 473445, 638565, 893991, 1149417, 1489985, 1915695, 2681973, 3448251, 4469955, 5747085, 7109357, 8045919, 13409865, 17241255, 21328071, 24137757, 35546785, 40229595, 49765499, 63984213, 106640355, 120688785, 149296497, 191952639, 248827495, 319921065, 447889491, 575857917, 746482485, 959763195, 1343668473, 2239447455, 2879289585, 4031005419, 6718342365, 20155027095]

約数ペア:

[(1, 20155027095), (3, 6718342365), (5, 4031005419), (7, 2879289585), (9, 2239447455), (15, 1343668473), (21, 959763195), (27, 746482485), (35, 575857917), (45, 447889491), (63, 319921065), (81, 248827495), (105, 191952639), (135, 149296497), (167, 120688785), (189, 106640355), (315, 63984213), (405, 49765499), (501, 40229595), (567, 35546785), (835, 24137757), (945, 21328071), (1169, 17241255), (1503, 13409865), (2505, 8045919), (2835, 7109357), (3507, 5747085), (4509, 4469955), (5845, 3448251), (7515, 2681973), (10521, 1915695), (13527, 1489985), (17535, 1149417), (22545, 893991), (31563, 638565), (42571, 473445), (52605, 383139), (67635, 297997), (94689, 212855), (127713, 157815)]