20440427648

素因数分解:

$2^7\times {\mathrm{5639}}^1\times {\mathrm{28319}}^1$

素因数の和:33972

約数の個数: 32

約数和(自身を含む): 40729824000

約数和(自身を除く): 20289396352

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 5639, 11278, 22556, 28319, 45112, 56638, 90224, 113276, 180448, 226552, 360896, 453104, 721792, 906208, 1812416, 3624832, 159690841, 319381682, 638763364, 1277526728, 2555053456, 5110106912, 10220213824, 20440427648]

約数ペア:

[(1, 20440427648), (2, 10220213824), (4, 5110106912), (8, 2555053456), (16, 1277526728), (32, 638763364), (64, 319381682), (128, 159690841), (5639, 3624832), (11278, 1812416), (22556, 906208), (28319, 721792), (45112, 453104), (56638, 360896), (90224, 226552), (113276, 180448)]