20673306

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3449}}^1$

素因数の和:3500

約数の個数: 40

約数和(自身を含む): 47589300

約数和(自身を除く): 26915994

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 3449, 5994, 6898, 10347, 20694, 31041, 62082, 93123, 127613, 186246, 255226, 279369, 382839, 558738, 765678, 1148517, 2297034, 3445551, 6891102, 10336653, 20673306]

約数ペア:

[(1, 20673306), (2, 10336653), (3, 6891102), (6, 3445551), (9, 2297034), (18, 1148517), (27, 765678), (37, 558738), (54, 382839), (74, 279369), (81, 255226), (111, 186246), (162, 127613), (222, 93123), (333, 62082), (666, 31041), (999, 20694), (1998, 10347), (2997, 6898), (3449, 5994)]