20593275

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 36018528

約数和(自身を除く): 15425253

約数列:

[1, 3, 5, 15, 25, 37, 41, 75, 111, 123, 181, 185, 205, 543, 555, 615, 905, 925, 1025, 1517, 2715, 2775, 3075, 4525, 4551, 6697, 7421, 7585, 13575, 20091, 22263, 22755, 33485, 37105, 37925, 100455, 111315, 113775, 167425, 185525, 274577, 502275, 556575, 823731, 1372885, 4118655, 6864425, 20593275]

約数ペア:

[(1, 20593275), (3, 6864425), (5, 4118655), (15, 1372885), (25, 823731), (37, 556575), (41, 502275), (75, 274577), (111, 185525), (123, 167425), (181, 113775), (185, 111315), (205, 100455), (543, 37925), (555, 37105), (615, 33485), (905, 22755), (925, 22263), (1025, 20091), (1517, 13575), (2715, 7585), (2775, 7421), (3075, 6697), (4525, 4551)]