20533040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23333}}^1$

素因数の和:23357

約数の個数: 40

約数和(自身を含む): 52081488

約数和(自身を除く): 31548448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23333, 46666, 93332, 116665, 186664, 233330, 256663, 373328, 466660, 513326, 933320, 1026652, 1283315, 1866640, 2053304, 2566630, 4106608, 5133260, 10266520, 20533040]

約数ペア:

[(1, 20533040), (2, 10266520), (4, 5133260), (5, 4106608), (8, 2566630), (10, 2053304), (11, 1866640), (16, 1283315), (20, 1026652), (22, 933320), (40, 513326), (44, 466660), (55, 373328), (80, 256663), (88, 233330), (110, 186664), (176, 116665), (220, 93332), (440, 46666), (880, 23333)]