20644992

素因数分解:

$2^7\times 3^2\times {\mathrm{17921}}^1$

素因数の和:17941

約数の個数: 48

約数和(自身を含む): 59411430

約数和(自身を除く): 38766438

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 17921, 35842, 53763, 71684, 107526, 143368, 161289, 215052, 286736, 322578, 430104, 573472, 645156, 860208, 1146944, 1290312, 1720416, 2293888, 2580624, 3440832, 5161248, 6881664, 10322496, 20644992]

約数ペア:

[(1, 20644992), (2, 10322496), (3, 6881664), (4, 5161248), (6, 3440832), (8, 2580624), (9, 2293888), (12, 1720416), (16, 1290312), (18, 1146944), (24, 860208), (32, 645156), (36, 573472), (48, 430104), (64, 322578), (72, 286736), (96, 215052), (128, 161289), (144, 143368), (192, 107526), (288, 71684), (384, 53763), (576, 35842), (1152, 17921)]