20384904

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{2939}}^1$

素因数の和:2982

約数の個数: 48

約数和(自身を含む): 54154800

約数和(自身を除く): 33769896

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 289, 408, 578, 867, 1156, 1734, 2312, 2939, 3468, 5878, 6936, 8817, 11756, 17634, 23512, 35268, 49963, 70536, 99926, 149889, 199852, 299778, 399704, 599556, 849371, 1199112, 1698742, 2548113, 3397484, 5096226, 6794968, 10192452, 20384904]

約数ペア:

[(1, 20384904), (2, 10192452), (3, 6794968), (4, 5096226), (6, 3397484), (8, 2548113), (12, 1698742), (17, 1199112), (24, 849371), (34, 599556), (51, 399704), (68, 299778), (102, 199852), (136, 149889), (204, 99926), (289, 70536), (408, 49963), (578, 35268), (867, 23512), (1156, 17634), (1734, 11756), (2312, 8817), (2939, 6936), (3468, 5878)]