20729472

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1459}}^1$

素因数の和:1513

約数の個数: 64

約数和(自身を含む): 56589600

約数和(自身を除く): 35860128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 296, 384, 444, 592, 888, 1184, 1459, 1776, 2368, 2918, 3552, 4377, 4736, 5836, 7104, 8754, 11672, 14208, 17508, 23344, 35016, 46688, 53983, 70032, 93376, 107966, 140064, 161949, 186752, 215932, 280128, 323898, 431864, 560256, 647796, 863728, 1295592, 1727456, 2591184, 3454912, 5182368, 6909824, 10364736, 20729472]

約数ペア:

[(1, 20729472), (2, 10364736), (3, 6909824), (4, 5182368), (6, 3454912), (8, 2591184), (12, 1727456), (16, 1295592), (24, 863728), (32, 647796), (37, 560256), (48, 431864), (64, 323898), (74, 280128), (96, 215932), (111, 186752), (128, 161949), (148, 140064), (192, 107966), (222, 93376), (296, 70032), (384, 53983), (444, 46688), (592, 35016), (888, 23344), (1184, 17508), (1459, 14208), (1776, 11672), (2368, 8754), (2918, 7104), (3552, 5836), (4377, 4736)]