20194452760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3769}}^1$

素因数の和:3989

約数の個数: 128

約数和(自身を含む): 48859200000

約数和(自身を除く): 28664747240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 149, 155, 232, 248, 290, 298, 310, 580, 596, 620, 745, 899, 1160, 1192, 1240, 1490, 1798, 2980, 3596, 3769, 4321, 4495, 4619, 5960, 7192, 7538, 8642, 8990, 9238, 15076, 17284, 17980, 18476, 18845, 21605, 23095, 30152, 34568, 35960, 36952, 37690, 43210, 46190, 75380, 86420, 92380, 109301, 116839, 133951, 150760, 172840, 184760, 218602, 233678, 267902, 437204, 467356, 535804, 546505, 561581, 584195, 669755, 874408, 934712, 1071608, 1093010, 1123162, 1168390, 1339510, 2186020, 2246324, 2336780, 2679020, 2807905, 3388331, 4372040, 4492648, 4673560, 5358040, 5615810, 6776662, 11231620, 13553324, 16285849, 16941655, 17409011, 22463240, 27106648, 32571698, 33883310, 34818022, 65143396, 67766620, 69636044, 81429245, 87045055, 130286792, 135533240, 139272088, 162858490, 174090110, 325716980, 348180220, 504861319, 651433960, 696360440, 1009722638, 2019445276, 2524306595, 4038890552, 5048613190, 10097226380, 20194452760]

約数ペア:

[(1, 20194452760), (2, 10097226380), (4, 5048613190), (5, 4038890552), (8, 2524306595), (10, 2019445276), (20, 1009722638), (29, 696360440), (31, 651433960), (40, 504861319), (58, 348180220), (62, 325716980), (116, 174090110), (124, 162858490), (145, 139272088), (149, 135533240), (155, 130286792), (232, 87045055), (248, 81429245), (290, 69636044), (298, 67766620), (310, 65143396), (580, 34818022), (596, 33883310), (620, 32571698), (745, 27106648), (899, 22463240), (1160, 17409011), (1192, 16941655), (1240, 16285849), (1490, 13553324), (1798, 11231620), (2980, 6776662), (3596, 5615810), (3769, 5358040), (4321, 4673560), (4495, 4492648), (4619, 4372040), (5960, 3388331), (7192, 2807905), (7538, 2679020), (8642, 2336780), (8990, 2246324), (9238, 2186020), (15076, 1339510), (17284, 1168390), (17980, 1123162), (18476, 1093010), (18845, 1071608), (21605, 934712), (23095, 874408), (30152, 669755), (34568, 584195), (35960, 561581), (36952, 546505), (37690, 535804), (43210, 467356), (46190, 437204), (75380, 267902), (86420, 233678), (92380, 218602), (109301, 184760), (116839, 172840), (133951, 150760)]