20802816

素因数分解:

$2^8\times 3^2\times {\mathrm{9029}}^1$

素因数の和:9051

約数の個数: 54

約数和(自身を含む): 59986290

約数和(自身を除く): 39183474

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 9029, 18058, 27087, 36116, 54174, 72232, 81261, 108348, 144464, 162522, 216696, 288928, 325044, 433392, 577856, 650088, 866784, 1155712, 1300176, 1733568, 2311424, 2600352, 3467136, 5200704, 6934272, 10401408, 20802816]

約数ペア:

[(1, 20802816), (2, 10401408), (3, 6934272), (4, 5200704), (6, 3467136), (8, 2600352), (9, 2311424), (12, 1733568), (16, 1300176), (18, 1155712), (24, 866784), (32, 650088), (36, 577856), (48, 433392), (64, 325044), (72, 288928), (96, 216696), (128, 162522), (144, 144464), (192, 108348), (256, 81261), (288, 72232), (384, 54174), (576, 36116), (768, 27087), (1152, 18058), (2304, 9029)]