20673666

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5197}}^1$

素因数の和:5235

約数の個数: 48

約数和(自身を含む): 51085944

約数和(自身を除く): 30412278

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5197, 10394, 15591, 31182, 46773, 67561, 88349, 93546, 135122, 176698, 202683, 265047, 405366, 530094, 608049, 795141, 1148537, 1216098, 1590282, 2297074, 3445611, 6891222, 10336833, 20673666]

約数ペア:

[(1, 20673666), (2, 10336833), (3, 6891222), (6, 3445611), (9, 2297074), (13, 1590282), (17, 1216098), (18, 1148537), (26, 795141), (34, 608049), (39, 530094), (51, 405366), (78, 265047), (102, 202683), (117, 176698), (153, 135122), (221, 93546), (234, 88349), (306, 67561), (442, 46773), (663, 31182), (1326, 15591), (1989, 10394), (3978, 5197)]