20776464

素因数分解:

$2^4\times 3^2\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:884

約数の個数: 60

約数和(自身を含む): 58496256

約数和(自身を除く): 37719792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 223, 446, 647, 669, 892, 1294, 1338, 1784, 1941, 2007, 2588, 2676, 3568, 3882, 4014, 5176, 5352, 5823, 7764, 8028, 10352, 10704, 11646, 15528, 16056, 23292, 31056, 32112, 46584, 93168, 144281, 288562, 432843, 577124, 865686, 1154248, 1298529, 1731372, 2308496, 2597058, 3462744, 5194116, 6925488, 10388232, 20776464]

約数ペア:

[(1, 20776464), (2, 10388232), (3, 6925488), (4, 5194116), (6, 3462744), (8, 2597058), (9, 2308496), (12, 1731372), (16, 1298529), (18, 1154248), (24, 865686), (36, 577124), (48, 432843), (72, 288562), (144, 144281), (223, 93168), (446, 46584), (647, 32112), (669, 31056), (892, 23292), (1294, 16056), (1338, 15528), (1784, 11646), (1941, 10704), (2007, 10352), (2588, 8028), (2676, 7764), (3568, 5823), (3882, 5352), (4014, 5176)]