20785034228

素因数分解:

$2^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{349}}^1\times {\mathrm{2689}}^1$

素因数の和:3169

約数の個数: 72

約数和(自身を含む): 42825069000

約数和(自身を除く): 22040034772

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 196, 226, 349, 452, 698, 791, 1396, 1582, 2443, 2689, 3164, 4886, 5378, 5537, 9772, 10756, 11074, 17101, 18823, 22148, 34202, 37646, 39437, 68404, 75292, 78874, 131761, 157748, 263522, 276059, 303857, 527044, 552118, 607714, 938461, 1104236, 1215428, 1876922, 1932413, 2126999, 3753844, 3864826, 4253998, 6569227, 7729652, 8507996, 13138454, 14888993, 26276908, 29777986, 45984589, 59555972, 91969178, 106046093, 183938356, 212092186, 424184372, 742322651, 1484645302, 2969290604, 5196258557, 10392517114, 20785034228]

約数ペア:

[(1, 20785034228), (2, 10392517114), (4, 5196258557), (7, 2969290604), (14, 1484645302), (28, 742322651), (49, 424184372), (98, 212092186), (113, 183938356), (196, 106046093), (226, 91969178), (349, 59555972), (452, 45984589), (698, 29777986), (791, 26276908), (1396, 14888993), (1582, 13138454), (2443, 8507996), (2689, 7729652), (3164, 6569227), (4886, 4253998), (5378, 3864826), (5537, 3753844), (9772, 2126999), (10756, 1932413), (11074, 1876922), (17101, 1215428), (18823, 1104236), (22148, 938461), (34202, 607714), (37646, 552118), (39437, 527044), (68404, 303857), (75292, 276059), (78874, 263522), (131761, 157748)]