20121551112

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{3299}}^1$

素因数の和:3607

約数の個数: 128

約数和(自身を含む): 54985392000

約数和(自身を除く): 34863840888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 113, 156, 173, 226, 312, 339, 346, 452, 519, 678, 692, 904, 1038, 1356, 1384, 1469, 2076, 2249, 2712, 2938, 3299, 4152, 4407, 4498, 5876, 6598, 6747, 8814, 8996, 9897, 11752, 13196, 13494, 17628, 17992, 19549, 19794, 26392, 26988, 35256, 39098, 39588, 42887, 53976, 58647, 78196, 79176, 85774, 117294, 128661, 156392, 171548, 234588, 254137, 257322, 343096, 372787, 469176, 508274, 514644, 570727, 745574, 762411, 1016548, 1029288, 1118361, 1141454, 1491148, 1524822, 1712181, 2033096, 2236722, 2282908, 2982296, 3049644, 3424362, 4473444, 4565816, 4846231, 6099288, 6848724, 7419451, 8946888, 9692462, 13697448, 14538693, 14838902, 19384924, 22258353, 29077386, 29677804, 38769848, 44516706, 58154772, 59355608, 64492151, 89033412, 116309544, 128984302, 178066824, 193476453, 257968604, 386952906, 515937208, 773905812, 838397963, 1547811624, 1676795926, 2515193889, 3353591852, 5030387778, 6707183704, 10060775556, 20121551112]

約数ペア:

[(1, 20121551112), (2, 10060775556), (3, 6707183704), (4, 5030387778), (6, 3353591852), (8, 2515193889), (12, 1676795926), (13, 1547811624), (24, 838397963), (26, 773905812), (39, 515937208), (52, 386952906), (78, 257968604), (104, 193476453), (113, 178066824), (156, 128984302), (173, 116309544), (226, 89033412), (312, 64492151), (339, 59355608), (346, 58154772), (452, 44516706), (519, 38769848), (678, 29677804), (692, 29077386), (904, 22258353), (1038, 19384924), (1356, 14838902), (1384, 14538693), (1469, 13697448), (2076, 9692462), (2249, 8946888), (2712, 7419451), (2938, 6848724), (3299, 6099288), (4152, 4846231), (4407, 4565816), (4498, 4473444), (5876, 3424362), (6598, 3049644), (6747, 2982296), (8814, 2282908), (8996, 2236722), (9897, 2033096), (11752, 1712181), (13196, 1524822), (13494, 1491148), (17628, 1141454), (17992, 1118361), (19549, 1029288), (19794, 1016548), (26392, 762411), (26988, 745574), (35256, 570727), (39098, 514644), (39588, 508274), (42887, 469176), (53976, 372787), (58647, 343096), (78196, 257322), (79176, 254137), (85774, 234588), (117294, 171548), (128661, 156392)]