20525454

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10273}}^1$

素因数の和:10321

約数の個数: 32

約数和(自身を含む): 46849440

約数和(自身を除く): 26323986

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10273, 20546, 30819, 61638, 92457, 184914, 277371, 380101, 554742, 760202, 1140303, 2280606, 3420909, 6841818, 10262727, 20525454]

約数ペア:

[(1, 20525454), (2, 10262727), (3, 6841818), (6, 3420909), (9, 2280606), (18, 1140303), (27, 760202), (37, 554742), (54, 380101), (74, 277371), (111, 184914), (222, 92457), (333, 61638), (666, 30819), (999, 20546), (1998, 10273)]