20117757520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{165551}}^1$

素因数の和:165609

約数の個数: 120

約数和(自身を含む): 56165833728

約数和(自身を除く): 36048076208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 6076, 7595, 8680, 12152, 15190, 17360, 24304, 30380, 60760, 121520, 165551, 331102, 662204, 827755, 1158857, 1324408, 1655510, 2317714, 2648816, 3311020, 4635428, 5132081, 5794285, 6622040, 8111999, 9270856, 10264162, 11588570, 13244080, 16223998, 18541712, 20528324, 23177140, 25660405, 32447996, 35924567, 40559995, 41056648, 46354280, 51320810, 64895992, 71849134, 81119990, 82113296, 92708560, 102641620, 129791984, 143698268, 162239980, 179622835, 205283240, 251471969, 287396536, 324479960, 359245670, 410566480, 502943938, 574793072, 648959920, 718491340, 1005887876, 1257359845, 1436982680, 2011775752, 2514719690, 2873965360, 4023551504, 5029439380, 10058878760, 20117757520]

約数ペア:

[(1, 20117757520), (2, 10058878760), (4, 5029439380), (5, 4023551504), (7, 2873965360), (8, 2514719690), (10, 2011775752), (14, 1436982680), (16, 1257359845), (20, 1005887876), (28, 718491340), (31, 648959920), (35, 574793072), (40, 502943938), (49, 410566480), (56, 359245670), (62, 324479960), (70, 287396536), (80, 251471969), (98, 205283240), (112, 179622835), (124, 162239980), (140, 143698268), (155, 129791984), (196, 102641620), (217, 92708560), (245, 82113296), (248, 81119990), (280, 71849134), (310, 64895992), (392, 51320810), (434, 46354280), (490, 41056648), (496, 40559995), (560, 35924567), (620, 32447996), (784, 25660405), (868, 23177140), (980, 20528324), (1085, 18541712), (1240, 16223998), (1519, 13244080), (1736, 11588570), (1960, 10264162), (2170, 9270856), (2480, 8111999), (3038, 6622040), (3472, 5794285), (3920, 5132081), (4340, 4635428), (6076, 3311020), (7595, 2648816), (8680, 2317714), (12152, 1655510), (15190, 1324408), (17360, 1158857), (24304, 827755), (30380, 662204), (60760, 331102), (121520, 165551)]