20896542

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 51717120

約数和(自身を除く): 30820578

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 73, 81, 93, 114, 146, 162, 171, 186, 219, 243, 279, 342, 438, 486, 513, 558, 589, 657, 837, 1026, 1178, 1314, 1387, 1539, 1674, 1767, 1971, 2263, 2511, 2774, 3078, 3534, 3942, 4161, 4526, 4617, 5022, 5301, 5913, 6789, 7533, 8322, 9234, 10602, 11826, 12483, 13578, 15066, 15903, 17739, 20367, 24966, 31806, 35478, 37449, 40734, 42997, 47709, 61101, 74898, 85994, 95418, 112347, 122202, 128991, 143127, 183303, 224694, 257982, 286254, 337041, 366606, 386973, 549909, 674082, 773946, 1099818, 1160919, 2321838, 3482757, 6965514, 10448271, 20896542]

約数ペア:

[(1, 20896542), (2, 10448271), (3, 6965514), (6, 3482757), (9, 2321838), (18, 1160919), (19, 1099818), (27, 773946), (31, 674082), (38, 549909), (54, 386973), (57, 366606), (62, 337041), (73, 286254), (81, 257982), (93, 224694), (114, 183303), (146, 143127), (162, 128991), (171, 122202), (186, 112347), (219, 95418), (243, 85994), (279, 74898), (342, 61101), (438, 47709), (486, 42997), (513, 40734), (558, 37449), (589, 35478), (657, 31806), (837, 24966), (1026, 20367), (1178, 17739), (1314, 15903), (1387, 15066), (1539, 13578), (1674, 12483), (1767, 11826), (1971, 10602), (2263, 9234), (2511, 8322), (2774, 7533), (3078, 6789), (3534, 5913), (3942, 5301), (4161, 5022), (4526, 4617)]