20190368

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1$

素因数の和:1461

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 24262432

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1399, 1804, 2798, 3608, 5596, 7216, 11192, 14432, 15389, 22384, 30778, 44768, 57359, 61556, 114718, 123112, 229436, 246224, 458872, 492448, 630949, 917744, 1261898, 1835488, 2523796, 5047592, 10095184, 20190368]

約数ペア:

[(1, 20190368), (2, 10095184), (4, 5047592), (8, 2523796), (11, 1835488), (16, 1261898), (22, 917744), (32, 630949), (41, 492448), (44, 458872), (82, 246224), (88, 229436), (164, 123112), (176, 114718), (328, 61556), (352, 57359), (451, 44768), (656, 30778), (902, 22384), (1312, 15389), (1399, 14432), (1804, 11192), (2798, 7216), (3608, 5596)]