20178690831

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{859}}^1$

素因数の和:1061

約数の個数: 96

約数和(自身を含む): 33132153600

約数和(自身を除く): 12953462769

約数列:

[1, 3, 9, 13, 39, 41, 59, 83, 117, 123, 177, 249, 369, 531, 533, 747, 767, 859, 1079, 1599, 2301, 2419, 2577, 3237, 3403, 4797, 4897, 6903, 7257, 7731, 9711, 10209, 11167, 14691, 21771, 30627, 31447, 33501, 35219, 44073, 44239, 50681, 63661, 71297, 94341, 100503, 105657, 132717, 152043, 190983, 200777, 213891, 283023, 316971, 398151, 456129, 457847, 572949, 602331, 641673, 658853, 926861, 1373541, 1806993, 1976559, 2077921, 2610101, 2780583, 2923177, 4120623, 4206523, 5929677, 6233763, 7830303, 8341749, 8769531, 12619569, 18701289, 23490909, 26308593, 27012973, 37858707, 38001301, 54684799, 81038919, 114003903, 164054397, 172467443, 243116757, 342011709, 492163191, 517402329, 1552206987, 2242076759, 6726230277, 20178690831]

約数ペア:

[(1, 20178690831), (3, 6726230277), (9, 2242076759), (13, 1552206987), (39, 517402329), (41, 492163191), (59, 342011709), (83, 243116757), (117, 172467443), (123, 164054397), (177, 114003903), (249, 81038919), (369, 54684799), (531, 38001301), (533, 37858707), (747, 27012973), (767, 26308593), (859, 23490909), (1079, 18701289), (1599, 12619569), (2301, 8769531), (2419, 8341749), (2577, 7830303), (3237, 6233763), (3403, 5929677), (4797, 4206523), (4897, 4120623), (6903, 2923177), (7257, 2780583), (7731, 2610101), (9711, 2077921), (10209, 1976559), (11167, 1806993), (14691, 1373541), (21771, 926861), (30627, 658853), (31447, 641673), (33501, 602331), (35219, 572949), (44073, 457847), (44239, 456129), (50681, 398151), (63661, 316971), (71297, 283023), (94341, 213891), (100503, 200777), (105657, 190983), (132717, 152043)]