20187816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 56263680

約数和(自身を除く): 36075864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 47, 66, 88, 94, 132, 141, 188, 264, 282, 376, 517, 564, 1034, 1128, 1551, 1627, 2068, 3102, 3254, 4136, 4881, 6204, 6508, 9762, 12408, 13016, 17897, 19524, 35794, 39048, 53691, 71588, 76469, 107382, 143176, 152938, 214764, 229407, 305876, 429528, 458814, 611752, 841159, 917628, 1682318, 1835256, 2523477, 3364636, 5046954, 6729272, 10093908, 20187816]

約数ペア:

[(1, 20187816), (2, 10093908), (3, 6729272), (4, 5046954), (6, 3364636), (8, 2523477), (11, 1835256), (12, 1682318), (22, 917628), (24, 841159), (33, 611752), (44, 458814), (47, 429528), (66, 305876), (88, 229407), (94, 214764), (132, 152938), (141, 143176), (188, 107382), (264, 76469), (282, 71588), (376, 53691), (517, 39048), (564, 35794), (1034, 19524), (1128, 17897), (1551, 13016), (1627, 12408), (2068, 9762), (3102, 6508), (3254, 6204), (4136, 4881)]