20837394

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26337006

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 107, 186, 214, 279, 321, 349, 558, 642, 698, 963, 1047, 1926, 2094, 3141, 3317, 6282, 6634, 9951, 10819, 19902, 21638, 29853, 32457, 37343, 59706, 64914, 74686, 97371, 112029, 194742, 224058, 336087, 672174, 1157633, 2315266, 3472899, 6945798, 10418697, 20837394]

約数ペア:

[(1, 20837394), (2, 10418697), (3, 6945798), (6, 3472899), (9, 2315266), (18, 1157633), (31, 672174), (62, 336087), (93, 224058), (107, 194742), (186, 112029), (214, 97371), (279, 74686), (321, 64914), (349, 59706), (558, 37343), (642, 32457), (698, 29853), (963, 21638), (1047, 19902), (1926, 10819), (2094, 9951), (3141, 6634), (3317, 6282)]