20010952

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 43925490

約数和(自身を除く): 23914538

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 169, 247, 328, 338, 361, 494, 533, 676, 722, 779, 988, 1066, 1352, 1444, 1558, 1976, 2132, 2888, 3116, 3211, 4264, 4693, 6232, 6422, 6929, 9386, 10127, 12844, 13858, 14801, 18772, 20254, 25688, 27716, 29602, 37544, 40508, 55432, 59204, 61009, 81016, 118408, 122018, 131651, 192413, 244036, 263302, 384826, 488072, 526604, 769652, 1053208, 1539304, 2501369, 5002738, 10005476, 20010952]

約数ペア:

[(1, 20010952), (2, 10005476), (4, 5002738), (8, 2501369), (13, 1539304), (19, 1053208), (26, 769652), (38, 526604), (41, 488072), (52, 384826), (76, 263302), (82, 244036), (104, 192413), (152, 131651), (164, 122018), (169, 118408), (247, 81016), (328, 61009), (338, 59204), (361, 55432), (494, 40508), (533, 37544), (676, 29602), (722, 27716), (779, 25688), (988, 20254), (1066, 18772), (1352, 14801), (1444, 13858), (1558, 12844), (1976, 10127), (2132, 9386), (2888, 6929), (3116, 6422), (3211, 6232), (4264, 4693)]