20807764956

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2765519}}^1$

素因数の和:2765559

約数の個数: 72

約数和(自身を含む): 60398956800

約数和(自身を除く): 39591191844

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 3762, 7524, 2765519, 5531038, 8296557, 11062076, 16593114, 24889671, 30420709, 33186228, 49779342, 52544861, 60841418, 91262127, 99558684, 105089722, 121682836, 157634583, 182524254, 210179444, 273786381, 315269166, 365048508, 472903749, 547572762, 577993471, 630538332, 945807498, 1095145524, 1155986942, 1733980413, 1891614996, 2311973884, 3467960826, 5201941239, 6935921652, 10403882478, 20807764956]

約数ペア:

[(1, 20807764956), (2, 10403882478), (3, 6935921652), (4, 5201941239), (6, 3467960826), (9, 2311973884), (11, 1891614996), (12, 1733980413), (18, 1155986942), (19, 1095145524), (22, 945807498), (33, 630538332), (36, 577993471), (38, 547572762), (44, 472903749), (57, 365048508), (66, 315269166), (76, 273786381), (99, 210179444), (114, 182524254), (132, 157634583), (171, 121682836), (198, 105089722), (209, 99558684), (228, 91262127), (342, 60841418), (396, 52544861), (418, 49779342), (627, 33186228), (684, 30420709), (836, 24889671), (1254, 16593114), (1881, 11062076), (2508, 8296557), (3762, 5531038), (7524, 2765519)]