20216273007

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1\times {\mathrm{10771}}^1$

素因数の和:11563

約数の個数: 32

約数和(自身を含む): 31078512640

約数和(自身を除く): 10862239633

約数列:

[1, 3, 7, 21, 139, 417, 643, 973, 1929, 2919, 4501, 10771, 13503, 32313, 75397, 89377, 226191, 268131, 625639, 1497169, 1876917, 4491507, 6925753, 10480183, 20777259, 31440549, 48480271, 145440813, 962679667, 2888039001, 6738757669, 20216273007]

約数ペア:

[(1, 20216273007), (3, 6738757669), (7, 2888039001), (21, 962679667), (139, 145440813), (417, 48480271), (643, 31440549), (973, 20777259), (1929, 10480183), (2919, 6925753), (4501, 4491507), (10771, 1876917), (13503, 1497169), (32313, 625639), (75397, 268131), (89377, 226191)]