20216574

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 52070400

約数和(自身を除く): 31853826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 126, 158, 189, 237, 378, 474, 553, 677, 711, 1106, 1354, 1422, 1659, 2031, 2133, 3318, 4062, 4266, 4739, 4977, 6093, 9478, 9954, 12186, 14217, 14931, 18279, 28434, 29862, 36558, 42651, 53483, 85302, 106966, 127953, 160449, 255906, 320898, 374381, 481347, 748762, 962694, 1123143, 1444041, 2246286, 2888082, 3369429, 6738858, 10108287, 20216574]

約数ペア:

[(1, 20216574), (2, 10108287), (3, 6738858), (6, 3369429), (7, 2888082), (9, 2246286), (14, 1444041), (18, 1123143), (21, 962694), (27, 748762), (42, 481347), (54, 374381), (63, 320898), (79, 255906), (126, 160449), (158, 127953), (189, 106966), (237, 85302), (378, 53483), (474, 42651), (553, 36558), (677, 29862), (711, 28434), (1106, 18279), (1354, 14931), (1422, 14217), (1659, 12186), (2031, 9954), (2133, 9478), (3318, 6093), (4062, 4977), (4266, 4739)]