20742156

素因数分解:

$2^2\times 3^4\times {\mathrm{64019}}^1$

素因数の和:64035

約数の個数: 30

約数和(自身を含む): 54224940

約数和(自身を除く): 33482784

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64019, 128038, 192057, 256076, 384114, 576171, 768228, 1152342, 1728513, 2304684, 3457026, 5185539, 6914052, 10371078, 20742156]

約数ペア:

[(1, 20742156), (2, 10371078), (3, 6914052), (4, 5185539), (6, 3457026), (9, 2304684), (12, 1728513), (18, 1152342), (27, 768228), (36, 576171), (54, 384114), (81, 256076), (108, 192057), (162, 128038), (324, 64019)]