20875395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 35596800

約数和(自身を除く): 14721405

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 823, 1335, 1691, 2469, 4115, 5073, 8455, 12345, 15637, 25365, 46911, 73247, 78185, 219741, 234555, 366235, 1098705, 1391693, 4175079, 6958465, 20875395]

約数ペア:

[(1, 20875395), (3, 6958465), (5, 4175079), (15, 1391693), (19, 1098705), (57, 366235), (89, 234555), (95, 219741), (267, 78185), (285, 73247), (445, 46911), (823, 25365), (1335, 15637), (1691, 12345), (2469, 8455), (4115, 5073)]