20317626

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1427}}^1$

素因数の和:1555

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 30473478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1427, 1582, 2034, 2373, 2854, 4281, 4746, 7119, 8562, 9989, 12843, 14238, 19978, 25686, 29967, 59934, 89901, 161251, 179802, 322502, 483753, 967506, 1128757, 1451259, 2257514, 2902518, 3386271, 6772542, 10158813, 20317626]

約数ペア:

[(1, 20317626), (2, 10158813), (3, 6772542), (6, 3386271), (7, 2902518), (9, 2257514), (14, 1451259), (18, 1128757), (21, 967506), (42, 483753), (63, 322502), (113, 179802), (126, 161251), (226, 89901), (339, 59934), (678, 29967), (791, 25686), (1017, 19978), (1427, 14238), (1582, 12843), (2034, 9989), (2373, 8562), (2854, 7119), (4281, 4746)]