20120418

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1471

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 27053982

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 47, 51, 94, 102, 141, 153, 282, 306, 423, 799, 846, 1399, 1598, 2397, 2798, 4197, 4794, 7191, 8394, 12591, 14382, 23783, 25182, 47566, 65753, 71349, 131506, 142698, 197259, 214047, 394518, 428094, 591777, 1117801, 1183554, 2235602, 3353403, 6706806, 10060209, 20120418]

約数ペア:

[(1, 20120418), (2, 10060209), (3, 6706806), (6, 3353403), (9, 2235602), (17, 1183554), (18, 1117801), (34, 591777), (47, 428094), (51, 394518), (94, 214047), (102, 197259), (141, 142698), (153, 131506), (282, 71349), (306, 65753), (423, 47566), (799, 25182), (846, 23783), (1399, 14382), (1598, 12591), (2397, 8394), (2798, 7191), (4197, 4794)]