20649456

素因数分解:

$2^4\times 3^2\times {\mathrm{193}}^1\times {\mathrm{743}}^1$

素因数の和:950

約数の個数: 60

約数和(自身を含む): 58167408

約数和(自身を除く): 37517952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 193, 386, 579, 743, 772, 1158, 1486, 1544, 1737, 2229, 2316, 2972, 3088, 3474, 4458, 4632, 5944, 6687, 6948, 8916, 9264, 11888, 13374, 13896, 17832, 26748, 27792, 35664, 53496, 106992, 143399, 286798, 430197, 573596, 860394, 1147192, 1290591, 1720788, 2294384, 2581182, 3441576, 5162364, 6883152, 10324728, 20649456]

約数ペア:

[(1, 20649456), (2, 10324728), (3, 6883152), (4, 5162364), (6, 3441576), (8, 2581182), (9, 2294384), (12, 1720788), (16, 1290591), (18, 1147192), (24, 860394), (36, 573596), (48, 430197), (72, 286798), (144, 143399), (193, 106992), (386, 53496), (579, 35664), (743, 27792), (772, 26748), (1158, 17832), (1486, 13896), (1544, 13374), (1737, 11888), (2229, 9264), (2316, 8916), (2972, 6948), (3088, 6687), (3474, 5944), (4458, 4632)]