20188532

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1499}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 24499468

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1499, 1924, 2998, 3367, 5996, 6734, 10493, 13468, 19487, 20986, 38974, 41972, 55463, 77948, 110926, 136409, 221852, 272818, 388241, 545636, 721019, 776482, 1442038, 1552964, 2884076, 5047133, 10094266, 20188532]

約数ペア:

[(1, 20188532), (2, 10094266), (4, 5047133), (7, 2884076), (13, 1552964), (14, 1442038), (26, 776482), (28, 721019), (37, 545636), (52, 388241), (74, 272818), (91, 221852), (148, 136409), (182, 110926), (259, 77948), (364, 55463), (481, 41972), (518, 38974), (962, 20986), (1036, 19487), (1499, 13468), (1924, 10493), (2998, 6734), (3367, 5996)]