20384362971

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1013}}^1\times {\mathrm{16811}}^1$

素因数の和:17856

約数の個数: 48

約数和(自身を含む): 35458525440

約数和(自身を除く): 15074162469

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1013, 1197, 3039, 7091, 9117, 16811, 19247, 21273, 50433, 57741, 63819, 117677, 134729, 151299, 173223, 319409, 353031, 404187, 958227, 1059093, 1212561, 2235863, 2874681, 6707589, 17029543, 20122767, 51088629, 119206801, 153265887, 323561317, 357620403, 970683951, 1072861209, 2264929219, 2912051853, 6794787657, 20384362971]

約数ペア:

[(1, 20384362971), (3, 6794787657), (7, 2912051853), (9, 2264929219), (19, 1072861209), (21, 970683951), (57, 357620403), (63, 323561317), (133, 153265887), (171, 119206801), (399, 51088629), (1013, 20122767), (1197, 17029543), (3039, 6707589), (7091, 2874681), (9117, 2235863), (16811, 1212561), (19247, 1059093), (21273, 958227), (50433, 404187), (57741, 353031), (63819, 319409), (117677, 173223), (134729, 151299)]