20342559820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{6977}}^1$

素因数の和:7483

約数の個数: 96

約数和(自身を含む): 48322370880

約数和(自身を除く): 27979811060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 457, 580, 638, 914, 1276, 1595, 1828, 2285, 3190, 4570, 5027, 6380, 6977, 9140, 10054, 13253, 13954, 20108, 25135, 26506, 27908, 34885, 50270, 53012, 66265, 69770, 76747, 100540, 132530, 139540, 145783, 153494, 202333, 265060, 291566, 306988, 383735, 404666, 583132, 728915, 767470, 809332, 1011665, 1457830, 1534940, 2023330, 2225663, 2915660, 3188489, 4046660, 4451326, 6376978, 8902652, 11128315, 12753956, 15942445, 22256630, 31884890, 35073379, 44513260, 63769780, 70146758, 92466181, 140293516, 175366895, 184932362, 350733790, 369864724, 462330905, 701467580, 924661810, 1017127991, 1849323620, 2034255982, 4068511964, 5085639955, 10171279910, 20342559820]

約数ペア:

[(1, 20342559820), (2, 10171279910), (4, 5085639955), (5, 4068511964), (10, 2034255982), (11, 1849323620), (20, 1017127991), (22, 924661810), (29, 701467580), (44, 462330905), (55, 369864724), (58, 350733790), (110, 184932362), (116, 175366895), (145, 140293516), (220, 92466181), (290, 70146758), (319, 63769780), (457, 44513260), (580, 35073379), (638, 31884890), (914, 22256630), (1276, 15942445), (1595, 12753956), (1828, 11128315), (2285, 8902652), (3190, 6376978), (4570, 4451326), (5027, 4046660), (6380, 3188489), (6977, 2915660), (9140, 2225663), (10054, 2023330), (13253, 1534940), (13954, 1457830), (20108, 1011665), (25135, 809332), (26506, 767470), (27908, 728915), (34885, 583132), (50270, 404666), (53012, 383735), (66265, 306988), (69770, 291566), (76747, 265060), (100540, 202333), (132530, 153494), (139540, 145783)]