20468238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 29712882

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 109, 119, 218, 238, 263, 327, 357, 526, 654, 714, 763, 789, 1526, 1578, 1841, 1853, 2289, 3682, 3706, 4471, 4578, 5523, 5559, 8942, 11046, 11118, 12971, 13413, 25942, 26826, 28667, 31297, 38913, 57334, 62594, 77826, 86001, 93891, 172002, 187782, 200669, 401338, 487339, 602007, 974678, 1204014, 1462017, 2924034, 3411373, 6822746, 10234119, 20468238]

約数ペア:

[(1, 20468238), (2, 10234119), (3, 6822746), (6, 3411373), (7, 2924034), (14, 1462017), (17, 1204014), (21, 974678), (34, 602007), (42, 487339), (51, 401338), (102, 200669), (109, 187782), (119, 172002), (218, 93891), (238, 86001), (263, 77826), (327, 62594), (357, 57334), (526, 38913), (654, 31297), (714, 28667), (763, 26826), (789, 25942), (1526, 13413), (1578, 12971), (1841, 11118), (1853, 11046), (2289, 8942), (3682, 5559), (3706, 5523), (4471, 4578)]