20028456

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{811}}^1$

素因数の和:844

約数の個数: 96

約数和(自身を含む): 63336000

約数和(自身を除く): 43307544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 811, 882, 1029, 1176, 1372, 1622, 1764, 2058, 2433, 2744, 3087, 3244, 3528, 4116, 4866, 5677, 6174, 6488, 7299, 8232, 9732, 11354, 12348, 14598, 17031, 19464, 22708, 24696, 29196, 34062, 39739, 45416, 51093, 58392, 68124, 79478, 102186, 119217, 136248, 158956, 204372, 238434, 278173, 317912, 357651, 408744, 476868, 556346, 715302, 834519, 953736, 1112692, 1430604, 1669038, 2225384, 2503557, 2861208, 3338076, 5007114, 6676152, 10014228, 20028456]

約数ペア:

[(1, 20028456), (2, 10014228), (3, 6676152), (4, 5007114), (6, 3338076), (7, 2861208), (8, 2503557), (9, 2225384), (12, 1669038), (14, 1430604), (18, 1112692), (21, 953736), (24, 834519), (28, 715302), (36, 556346), (42, 476868), (49, 408744), (56, 357651), (63, 317912), (72, 278173), (84, 238434), (98, 204372), (126, 158956), (147, 136248), (168, 119217), (196, 102186), (252, 79478), (294, 68124), (343, 58392), (392, 51093), (441, 45416), (504, 39739), (588, 34062), (686, 29196), (811, 24696), (882, 22708), (1029, 19464), (1176, 17031), (1372, 14598), (1622, 12348), (1764, 11354), (2058, 9732), (2433, 8232), (2744, 7299), (3087, 6488), (3244, 6174), (3528, 5677), (4116, 4866)]