20385816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2087}}^1$

素因数の和:2144

約数の個数: 64

約数和(自身を含む): 57127680

約数和(自身を除く): 36741864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 88, 111, 132, 148, 222, 264, 296, 407, 444, 814, 888, 1221, 1628, 2087, 2442, 3256, 4174, 4884, 6261, 8348, 9768, 12522, 16696, 22957, 25044, 45914, 50088, 68871, 77219, 91828, 137742, 154438, 183656, 231657, 275484, 308876, 463314, 550968, 617752, 849409, 926628, 1698818, 1853256, 2548227, 3397636, 5096454, 6795272, 10192908, 20385816]

約数ペア:

[(1, 20385816), (2, 10192908), (3, 6795272), (4, 5096454), (6, 3397636), (8, 2548227), (11, 1853256), (12, 1698818), (22, 926628), (24, 849409), (33, 617752), (37, 550968), (44, 463314), (66, 308876), (74, 275484), (88, 231657), (111, 183656), (132, 154438), (148, 137742), (222, 91828), (264, 77219), (296, 68871), (407, 50088), (444, 45914), (814, 25044), (888, 22957), (1221, 16696), (1628, 12522), (2087, 9768), (2442, 8348), (3256, 6261), (4174, 4884)]