20026908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 55875456

約数和(自身を除く): 35848548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 103, 132, 198, 206, 309, 396, 412, 491, 618, 927, 982, 1133, 1236, 1473, 1854, 1964, 2266, 2946, 3399, 3708, 4419, 4532, 5401, 5892, 6798, 8838, 10197, 10802, 13596, 16203, 17676, 20394, 21604, 32406, 40788, 48609, 50573, 64812, 97218, 101146, 151719, 194436, 202292, 303438, 455157, 556303, 606876, 910314, 1112606, 1668909, 1820628, 2225212, 3337818, 5006727, 6675636, 10013454, 20026908]

約数ペア:

[(1, 20026908), (2, 10013454), (3, 6675636), (4, 5006727), (6, 3337818), (9, 2225212), (11, 1820628), (12, 1668909), (18, 1112606), (22, 910314), (33, 606876), (36, 556303), (44, 455157), (66, 303438), (99, 202292), (103, 194436), (132, 151719), (198, 101146), (206, 97218), (309, 64812), (396, 50573), (412, 48609), (491, 40788), (618, 32406), (927, 21604), (982, 20394), (1133, 17676), (1236, 16203), (1473, 13596), (1854, 10802), (1964, 10197), (2266, 8838), (2946, 6798), (3399, 5892), (3708, 5401), (4419, 4532)]