20782202

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 37469952

約数和(自身を除く): 16687750

約数列:

[1, 2, 7, 14, 23, 46, 161, 233, 277, 322, 466, 554, 1631, 1939, 3262, 3878, 5359, 6371, 10718, 12742, 37513, 44597, 64541, 75026, 89194, 129082, 451787, 903574, 1484443, 2968886, 10391101, 20782202]

約数ペア:

[(1, 20782202), (2, 10391101), (7, 2968886), (14, 1484443), (23, 903574), (46, 451787), (161, 129082), (233, 89194), (277, 75026), (322, 64541), (466, 44597), (554, 37513), (1631, 12742), (1939, 10718), (3262, 6371), (3878, 5359)]