20989816713

素因数分解:

$3^3\times {\mathrm{6551}}^1\times {\mathrm{118669}}^1$

素因数の和:125229

約数の個数: 16

約数和(自身を含む): 31101033600

約数和(自身を除く): 10111216887

約数列:

[1, 3, 9, 27, 6551, 19653, 58959, 118669, 176877, 356007, 1068021, 3204063, 777400619, 2332201857, 6996605571, 20989816713]

約数ペア:

[(1, 20989816713), (3, 6996605571), (9, 2332201857), (27, 777400619), (6551, 3204063), (19653, 1068021), (58959, 356007), (118669, 176877)]