20448072

素因数分解:

$2^3\times 3^3\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 57297600

約数和(自身を除く): 36849528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 137, 216, 274, 411, 548, 691, 822, 1096, 1233, 1382, 1644, 2073, 2466, 2764, 3288, 3699, 4146, 4932, 5528, 6219, 7398, 8292, 9864, 12438, 14796, 16584, 18657, 24876, 29592, 37314, 49752, 74628, 94667, 149256, 189334, 284001, 378668, 568002, 757336, 852003, 1136004, 1704006, 2272008, 2556009, 3408012, 5112018, 6816024, 10224036, 20448072]

約数ペア:

[(1, 20448072), (2, 10224036), (3, 6816024), (4, 5112018), (6, 3408012), (8, 2556009), (9, 2272008), (12, 1704006), (18, 1136004), (24, 852003), (27, 757336), (36, 568002), (54, 378668), (72, 284001), (108, 189334), (137, 149256), (216, 94667), (274, 74628), (411, 49752), (548, 37314), (691, 29592), (822, 24876), (1096, 18657), (1233, 16584), (1382, 14796), (1644, 12438), (2073, 9864), (2466, 8292), (2764, 7398), (3288, 6219), (3699, 5528), (4146, 4932)]