20491056

素因数分解:

$2^4\times 3^4\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 100

約数和(自身を含む): 60286072

約数和(自身を除く): 39795016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 97, 108, 144, 162, 163, 194, 216, 291, 324, 326, 388, 432, 489, 582, 648, 652, 776, 873, 978, 1164, 1296, 1304, 1467, 1552, 1746, 1956, 2328, 2608, 2619, 2934, 3492, 3912, 4401, 4656, 5238, 5868, 6984, 7824, 7857, 8802, 10476, 11736, 13203, 13968, 15714, 15811, 17604, 20952, 23472, 26406, 31428, 31622, 35208, 41904, 47433, 52812, 62856, 63244, 70416, 94866, 105624, 125712, 126488, 142299, 189732, 211248, 252976, 284598, 379464, 426897, 569196, 758928, 853794, 1138392, 1280691, 1707588, 2276784, 2561382, 3415176, 5122764, 6830352, 10245528, 20491056]

約数ペア:

[(1, 20491056), (2, 10245528), (3, 6830352), (4, 5122764), (6, 3415176), (8, 2561382), (9, 2276784), (12, 1707588), (16, 1280691), (18, 1138392), (24, 853794), (27, 758928), (36, 569196), (48, 426897), (54, 379464), (72, 284598), (81, 252976), (97, 211248), (108, 189732), (144, 142299), (162, 126488), (163, 125712), (194, 105624), (216, 94866), (291, 70416), (324, 63244), (326, 62856), (388, 52812), (432, 47433), (489, 41904), (582, 35208), (648, 31622), (652, 31428), (776, 26406), (873, 23472), (978, 20952), (1164, 17604), (1296, 15811), (1304, 15714), (1467, 13968), (1552, 13203), (1746, 11736), (1956, 10476), (2328, 8802), (2608, 7857), (2619, 7824), (2934, 6984), (3492, 5868), (3912, 5238), (4401, 4656)]