20448654

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 25999986

約数列:

[1, 2, 3, 6, 17, 29, 31, 34, 51, 58, 62, 87, 93, 102, 174, 186, 223, 446, 493, 527, 669, 899, 986, 1054, 1338, 1479, 1581, 1798, 2697, 2958, 3162, 3791, 5394, 6467, 6913, 7582, 11373, 12934, 13826, 15283, 19401, 20739, 22746, 30566, 38802, 41478, 45849, 91698, 109939, 117521, 200477, 219878, 235042, 329817, 352563, 400954, 601431, 659634, 705126, 1202862, 3408109, 6816218, 10224327, 20448654]

約数ペア:

[(1, 20448654), (2, 10224327), (3, 6816218), (6, 3408109), (17, 1202862), (29, 705126), (31, 659634), (34, 601431), (51, 400954), (58, 352563), (62, 329817), (87, 235042), (93, 219878), (102, 200477), (174, 117521), (186, 109939), (223, 91698), (446, 45849), (493, 41478), (527, 38802), (669, 30566), (899, 22746), (986, 20739), (1054, 19401), (1338, 15283), (1479, 13826), (1581, 12934), (1798, 11373), (2697, 7582), (2958, 6913), (3162, 6467), (3791, 5394)]