20852790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1037

約数の個数: 64

約数和(自身を含む): 57784320

約数和(自身を除く): 36931530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 911, 1090, 1526, 1635, 1822, 2289, 2733, 3270, 3815, 4555, 4578, 5466, 6377, 7630, 9110, 11445, 12754, 13665, 19131, 22890, 27330, 31885, 38262, 63770, 95655, 99299, 191310, 198598, 297897, 496495, 595794, 695093, 992990, 1390186, 1489485, 2085279, 2978970, 3475465, 4170558, 6950930, 10426395, 20852790]

約数ペア:

[(1, 20852790), (2, 10426395), (3, 6950930), (5, 4170558), (6, 3475465), (7, 2978970), (10, 2085279), (14, 1489485), (15, 1390186), (21, 992990), (30, 695093), (35, 595794), (42, 496495), (70, 297897), (105, 198598), (109, 191310), (210, 99299), (218, 95655), (327, 63770), (545, 38262), (654, 31885), (763, 27330), (911, 22890), (1090, 19131), (1526, 13665), (1635, 12754), (1822, 11445), (2289, 9110), (2733, 7630), (3270, 6377), (3815, 5466), (4555, 4578)]