20201005168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1\times {\mathrm{593}}^1$

素因数の和:1202

約数の個数: 80

約数和(自身を含む): 40806602496

約数和(自身を除く): 20605597328

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 173, 248, 346, 397, 496, 593, 692, 794, 1186, 1384, 1588, 2372, 2768, 3176, 4744, 5363, 6352, 9488, 10726, 12307, 18383, 21452, 24614, 36766, 42904, 49228, 68681, 73532, 85808, 98456, 102589, 137362, 147064, 196912, 205178, 235421, 274724, 294128, 410356, 470842, 549448, 820712, 941684, 1098896, 1641424, 1883368, 2129111, 3180259, 3766736, 4258222, 6360518, 7298051, 8516444, 12721036, 14596102, 17032888, 25442072, 29192204, 34065776, 40727833, 50884144, 58384408, 81455666, 116768816, 162911332, 325822664, 651645328, 1262562823, 2525125646, 5050251292, 10100502584, 20201005168]

約数ペア:

[(1, 20201005168), (2, 10100502584), (4, 5050251292), (8, 2525125646), (16, 1262562823), (31, 651645328), (62, 325822664), (124, 162911332), (173, 116768816), (248, 81455666), (346, 58384408), (397, 50884144), (496, 40727833), (593, 34065776), (692, 29192204), (794, 25442072), (1186, 17032888), (1384, 14596102), (1588, 12721036), (2372, 8516444), (2768, 7298051), (3176, 6360518), (4744, 4258222), (5363, 3766736), (6352, 3180259), (9488, 2129111), (10726, 1883368), (12307, 1641424), (18383, 1098896), (21452, 941684), (24614, 820712), (36766, 549448), (42904, 470842), (49228, 410356), (68681, 294128), (73532, 274724), (85808, 235421), (98456, 205178), (102589, 196912), (137362, 147064)]