20161325740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1\times {\mathrm{523}}^1$

素因数の和:1199

約数の個数: 96

約数和(自身を含む): 44604758016

約数和(自身を除く): 24443432276

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 181, 230, 362, 460, 463, 523, 724, 905, 926, 1046, 1810, 1852, 2092, 2315, 2615, 3620, 4163, 4630, 5230, 8326, 9260, 10460, 10649, 12029, 16652, 20815, 21298, 24058, 41630, 42596, 48116, 53245, 60145, 83260, 83803, 94663, 106490, 120290, 167606, 189326, 212980, 240580, 242149, 335212, 378652, 419015, 473315, 484298, 838030, 946630, 968596, 1210745, 1676060, 1893260, 1927469, 2177249, 2421490, 3854938, 4354498, 4842980, 5569427, 7709876, 8708996, 9637345, 10886245, 11138854, 19274690, 21772490, 22277708, 27847135, 38549380, 43544980, 43828969, 55694270, 87657938, 111388540, 175315876, 219144845, 438289690, 876579380, 1008066287, 2016132574, 4032265148, 5040331435, 10080662870, 20161325740]

約数ペア:

[(1, 20161325740), (2, 10080662870), (4, 5040331435), (5, 4032265148), (10, 2016132574), (20, 1008066287), (23, 876579380), (46, 438289690), (92, 219144845), (115, 175315876), (181, 111388540), (230, 87657938), (362, 55694270), (460, 43828969), (463, 43544980), (523, 38549380), (724, 27847135), (905, 22277708), (926, 21772490), (1046, 19274690), (1810, 11138854), (1852, 10886245), (2092, 9637345), (2315, 8708996), (2615, 7709876), (3620, 5569427), (4163, 4842980), (4630, 4354498), (5230, 3854938), (8326, 2421490), (9260, 2177249), (10460, 1927469), (10649, 1893260), (12029, 1676060), (16652, 1210745), (20815, 968596), (21298, 946630), (24058, 838030), (41630, 484298), (42596, 473315), (48116, 419015), (53245, 378652), (60145, 335212), (83260, 242149), (83803, 240580), (94663, 212980), (106490, 189326), (120290, 167606)]