20927852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 42040320

約数和(自身を除く): 21112468

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 67, 124, 134, 229, 268, 341, 458, 682, 737, 916, 1364, 1474, 2077, 2519, 2948, 4154, 5038, 7099, 8308, 10076, 14198, 15343, 22847, 28396, 30686, 45694, 61372, 78089, 91388, 156178, 168773, 312356, 337546, 475633, 675092, 951266, 1902532, 5231963, 10463926, 20927852]

約数ペア:

[(1, 20927852), (2, 10463926), (4, 5231963), (11, 1902532), (22, 951266), (31, 675092), (44, 475633), (62, 337546), (67, 312356), (124, 168773), (134, 156178), (229, 91388), (268, 78089), (341, 61372), (458, 45694), (682, 30686), (737, 28396), (916, 22847), (1364, 15343), (1474, 14198), (2077, 10076), (2519, 8308), (2948, 7099), (4154, 5038)]