20211656

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 39200760

約数和(自身を除く): 18989104

約数列:

[1, 2, 4, 8, 53, 73, 106, 146, 212, 292, 424, 584, 653, 1306, 2612, 3869, 5224, 7738, 15476, 30952, 34609, 47669, 69218, 95338, 138436, 190676, 276872, 381352, 2526457, 5052914, 10105828, 20211656]

約数ペア:

[(1, 20211656), (2, 10105828), (4, 5052914), (8, 2526457), (53, 381352), (73, 276872), (106, 190676), (146, 138436), (212, 95338), (292, 69218), (424, 47669), (584, 34609), (653, 30952), (1306, 15476), (2612, 7738), (3869, 5224)]