20726611938

素因数分解:

$2^1\times 3^4\times {\mathrm{269}}^1\times {\mathrm{475621}}^1$

素因数の和:475904

約数の個数: 40

約数和(自身を含む): 46615712220

約数和(自身を除く): 25889100282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 269, 538, 807, 1614, 2421, 4842, 7263, 14526, 21789, 43578, 475621, 951242, 1426863, 2853726, 4280589, 8561178, 12841767, 25683534, 38525301, 77050602, 127942049, 255884098, 383826147, 767652294, 1151478441, 2302956882, 3454435323, 6908870646, 10363305969, 20726611938]

約数ペア:

[(1, 20726611938), (2, 10363305969), (3, 6908870646), (6, 3454435323), (9, 2302956882), (18, 1151478441), (27, 767652294), (54, 383826147), (81, 255884098), (162, 127942049), (269, 77050602), (538, 38525301), (807, 25683534), (1614, 12841767), (2421, 8561178), (4842, 4280589), (7263, 2853726), (14526, 1426863), (21789, 951242), (43578, 475621)]