20665314

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10343}}^1$

素因数の和:10391

約数の個数: 32

約数和(自身を含む): 47168640

約数和(自身を除く): 26503326

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10343, 20686, 31029, 62058, 93087, 186174, 279261, 382691, 558522, 765382, 1148073, 2296146, 3444219, 6888438, 10332657, 20665314]

約数ペア:

[(1, 20665314), (2, 10332657), (3, 6888438), (6, 3444219), (9, 2296146), (18, 1148073), (27, 765382), (37, 558522), (54, 382691), (74, 279261), (111, 186174), (222, 93087), (333, 62058), (666, 31029), (999, 20686), (1998, 10343)]