20512096371

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1722

約数の個数: 128

約数和(自身を含む): 35909744640

約数和(自身を除く): 15397648269

約数列:

[1, 3, 9, 13, 23, 27, 37, 39, 43, 69, 111, 117, 129, 207, 299, 333, 351, 387, 481, 559, 621, 851, 897, 989, 999, 1161, 1443, 1591, 1597, 1677, 2553, 2691, 2967, 4329, 4773, 4791, 5031, 7659, 8073, 8901, 11063, 12857, 12987, 14319, 14373, 15093, 20683, 20761, 22977, 26703, 33189, 36593, 36731, 38571, 42957, 43119, 59089, 62049, 62283, 68671, 99567, 109779, 110193, 115713, 177267, 186147, 186849, 206013, 298701, 329337, 330579, 347139, 475709, 477503, 531801, 558441, 560547, 618039, 768157, 892723, 988011, 991737, 1359047, 1427127, 1432509, 1579433, 1595403, 1854117, 2304471, 2540827, 2678169, 4077141, 4281381, 4297527, 4738299, 6913413, 7622481, 8034507, 12231423, 12844143, 12892581, 14214897, 17667611, 20532629, 20740239, 22867443, 24103521, 33030751, 36694269, 42644691, 53002833, 58439021, 61597887, 68602329, 99092253, 159008499, 175317063, 184793661, 297276759, 477025497, 525951189, 554380983, 759707273, 891830277, 1577853567, 2279121819, 6837365457, 20512096371]

約数ペア:

[(1, 20512096371), (3, 6837365457), (9, 2279121819), (13, 1577853567), (23, 891830277), (27, 759707273), (37, 554380983), (39, 525951189), (43, 477025497), (69, 297276759), (111, 184793661), (117, 175317063), (129, 159008499), (207, 99092253), (299, 68602329), (333, 61597887), (351, 58439021), (387, 53002833), (481, 42644691), (559, 36694269), (621, 33030751), (851, 24103521), (897, 22867443), (989, 20740239), (999, 20532629), (1161, 17667611), (1443, 14214897), (1591, 12892581), (1597, 12844143), (1677, 12231423), (2553, 8034507), (2691, 7622481), (2967, 6913413), (4329, 4738299), (4773, 4297527), (4791, 4281381), (5031, 4077141), (7659, 2678169), (8073, 2540827), (8901, 2304471), (11063, 1854117), (12857, 1595403), (12987, 1579433), (14319, 1432509), (14373, 1427127), (15093, 1359047), (20683, 991737), (20761, 988011), (22977, 892723), (26703, 768157), (33189, 618039), (36593, 560547), (36731, 558441), (38571, 531801), (42957, 477503), (43119, 475709), (59089, 347139), (62049, 330579), (62283, 329337), (68671, 298701), (99567, 206013), (109779, 186849), (110193, 186147), (115713, 177267)]