20725009654328

素因数分解:

$2^3\times 7^1\times {\mathrm{2579}}^1\times {\mathrm{143501147}}^1$

素因数の和:143503739

約数の個数: 32

約数和(自身を含む): 44427955420800

約数和(自身を除く): 23702945766472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2579, 5158, 10316, 18053, 20632, 36106, 72212, 144424, 143501147, 287002294, 574004588, 1004508029, 1148009176, 2009016058, 4018032116, 8036064232, 370089458113, 740178916226, 1480357832452, 2590626206791, 2960715664904, 5181252413582, 10362504827164, 20725009654328]

約数ペア:

[(1, 20725009654328), (2, 10362504827164), (4, 5181252413582), (7, 2960715664904), (8, 2590626206791), (14, 1480357832452), (28, 740178916226), (56, 370089458113), (2579, 8036064232), (5158, 4018032116), (10316, 2009016058), (18053, 1148009176), (20632, 1004508029), (36106, 574004588), (72212, 287002294), (144424, 143501147)]