20809670240

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3515147}}^1$

素因数の和:3515199

約数の個数: 48

約数和(自身を含む): 50491585872

約数和(自身を除く): 29681915632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 3515147, 7030294, 14060588, 17575735, 28121176, 35151470, 56242352, 70302940, 112484704, 130060439, 140605880, 260120878, 281211760, 520241756, 562423520, 650302195, 1040483512, 1300604390, 2080967024, 2601208780, 4161934048, 5202417560, 10404835120, 20809670240]

約数ペア:

[(1, 20809670240), (2, 10404835120), (4, 5202417560), (5, 4161934048), (8, 2601208780), (10, 2080967024), (16, 1300604390), (20, 1040483512), (32, 650302195), (37, 562423520), (40, 520241756), (74, 281211760), (80, 260120878), (148, 140605880), (160, 130060439), (185, 112484704), (296, 70302940), (370, 56242352), (592, 35151470), (740, 28121176), (1184, 17575735), (1480, 14060588), (2960, 7030294), (5920, 3515147)]