20413566

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 49412160

約数和(自身を除く): 28998594

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 37, 51, 54, 74, 102, 111, 153, 222, 306, 333, 459, 601, 629, 666, 918, 999, 1202, 1258, 1803, 1887, 1998, 3606, 3774, 5409, 5661, 10217, 10818, 11322, 16227, 16983, 20434, 22237, 30651, 32454, 33966, 44474, 61302, 66711, 91953, 133422, 183906, 200133, 275859, 378029, 400266, 551718, 600399, 756058, 1134087, 1200798, 2268174, 3402261, 6804522, 10206783, 20413566]

約数ペア:

[(1, 20413566), (2, 10206783), (3, 6804522), (6, 3402261), (9, 2268174), (17, 1200798), (18, 1134087), (27, 756058), (34, 600399), (37, 551718), (51, 400266), (54, 378029), (74, 275859), (102, 200133), (111, 183906), (153, 133422), (222, 91953), (306, 66711), (333, 61302), (459, 44474), (601, 33966), (629, 32454), (666, 30651), (918, 22237), (999, 20434), (1202, 16983), (1258, 16227), (1803, 11322), (1887, 10818), (1998, 10217), (3606, 5661), (3774, 5409)]