20845296

素因数分解:

$2^4\times 3^3\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:751

約数の個数: 80

約数和(自身を含む): 60745120

約数和(自身を除く): 39899824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 144, 146, 216, 219, 292, 432, 438, 584, 657, 661, 876, 1168, 1314, 1322, 1752, 1971, 1983, 2628, 2644, 3504, 3942, 3966, 5256, 5288, 5949, 7884, 7932, 10512, 10576, 11898, 15768, 15864, 17847, 23796, 31536, 31728, 35694, 47592, 48253, 71388, 95184, 96506, 142776, 144759, 193012, 285552, 289518, 386024, 434277, 579036, 772048, 868554, 1158072, 1302831, 1737108, 2316144, 2605662, 3474216, 5211324, 6948432, 10422648, 20845296]

約数ペア:

[(1, 20845296), (2, 10422648), (3, 6948432), (4, 5211324), (6, 3474216), (8, 2605662), (9, 2316144), (12, 1737108), (16, 1302831), (18, 1158072), (24, 868554), (27, 772048), (36, 579036), (48, 434277), (54, 386024), (72, 289518), (73, 285552), (108, 193012), (144, 144759), (146, 142776), (216, 96506), (219, 95184), (292, 71388), (432, 48253), (438, 47592), (584, 35694), (657, 31728), (661, 31536), (876, 23796), (1168, 17847), (1314, 15864), (1322, 15768), (1752, 11898), (1971, 10576), (1983, 10512), (2628, 7932), (2644, 7884), (3504, 5949), (3942, 5288), (3966, 5256)]