20393808

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11483}}^1$

素因数の和:11531

約数の個数: 40

約数和(自身を含む): 54112608

約数和(自身を除く): 33718800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11483, 22966, 34449, 45932, 68898, 91864, 137796, 183728, 275592, 424871, 551184, 849742, 1274613, 1699484, 2549226, 3398968, 5098452, 6797936, 10196904, 20393808]

約数ペア:

[(1, 20393808), (2, 10196904), (3, 6797936), (4, 5098452), (6, 3398968), (8, 2549226), (12, 1699484), (16, 1274613), (24, 849742), (37, 551184), (48, 424871), (74, 275592), (111, 183728), (148, 137796), (222, 91864), (296, 68898), (444, 45932), (592, 34449), (888, 22966), (1776, 11483)]