20667010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1747}}^1$

素因数の和:1787

約数の個数: 48

約数和(自身を含む): 46063296

約数和(自身を除く): 25396286

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 1747, 2366, 3494, 5915, 8735, 11830, 12229, 17470, 22711, 24458, 45422, 61145, 113555, 122290, 158977, 227110, 295243, 317954, 590486, 794885, 1476215, 1589770, 2066701, 2952430, 4133402, 10333505, 20667010]

約数ペア:

[(1, 20667010), (2, 10333505), (5, 4133402), (7, 2952430), (10, 2066701), (13, 1589770), (14, 1476215), (26, 794885), (35, 590486), (65, 317954), (70, 295243), (91, 227110), (130, 158977), (169, 122290), (182, 113555), (338, 61145), (455, 45422), (845, 24458), (910, 22711), (1183, 17470), (1690, 12229), (1747, 11830), (2366, 8735), (3494, 5915)]