20102742

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 80

約数和(自身を含む): 50965200

約数和(自身を除く): 30862458

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 54, 58, 66, 81, 87, 99, 162, 174, 198, 261, 297, 319, 389, 522, 594, 638, 778, 783, 891, 957, 1167, 1566, 1782, 1914, 2334, 2349, 2871, 3501, 4279, 4698, 5742, 7002, 8558, 8613, 10503, 11281, 12837, 17226, 21006, 22562, 25674, 25839, 31509, 33843, 38511, 51678, 63018, 67686, 77022, 101529, 115533, 124091, 203058, 231066, 248182, 304587, 346599, 372273, 609174, 693198, 744546, 913761, 1116819, 1827522, 2233638, 3350457, 6700914, 10051371, 20102742]

約数ペア:

[(1, 20102742), (2, 10051371), (3, 6700914), (6, 3350457), (9, 2233638), (11, 1827522), (18, 1116819), (22, 913761), (27, 744546), (29, 693198), (33, 609174), (54, 372273), (58, 346599), (66, 304587), (81, 248182), (87, 231066), (99, 203058), (162, 124091), (174, 115533), (198, 101529), (261, 77022), (297, 67686), (319, 63018), (389, 51678), (522, 38511), (594, 33843), (638, 31509), (778, 25839), (783, 25674), (891, 22562), (957, 21006), (1167, 17226), (1566, 12837), (1782, 11281), (1914, 10503), (2334, 8613), (2349, 8558), (2871, 7002), (3501, 5742), (4279, 4698)]