20205801564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{277}}^1\times {\mathrm{35969}}^1$

素因数の和:36279

約数の個数: 72

約数和(自身を含む): 51238257840

約数和(自身を除く): 31032456276

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 277, 338, 507, 554, 676, 831, 1014, 1108, 1662, 2028, 3324, 3601, 7202, 10803, 14404, 21606, 35969, 43212, 46813, 71938, 93626, 107907, 140439, 143876, 187252, 215814, 280878, 431628, 467597, 561756, 935194, 1402791, 1870388, 2805582, 5611164, 6078761, 9963413, 12157522, 18236283, 19926826, 24315044, 29890239, 36472566, 39853652, 59780478, 72945132, 119560956, 129524369, 259048738, 388573107, 518097476, 777146214, 1554292428, 1683816797, 3367633594, 5051450391, 6735267188, 10102900782, 20205801564]

約数ペア:

[(1, 20205801564), (2, 10102900782), (3, 6735267188), (4, 5051450391), (6, 3367633594), (12, 1683816797), (13, 1554292428), (26, 777146214), (39, 518097476), (52, 388573107), (78, 259048738), (156, 129524369), (169, 119560956), (277, 72945132), (338, 59780478), (507, 39853652), (554, 36472566), (676, 29890239), (831, 24315044), (1014, 19926826), (1108, 18236283), (1662, 12157522), (2028, 9963413), (3324, 6078761), (3601, 5611164), (7202, 2805582), (10803, 1870388), (14404, 1402791), (21606, 935194), (35969, 561756), (43212, 467597), (46813, 431628), (71938, 280878), (93626, 215814), (107907, 187252), (140439, 143876)]