20121173284

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{79}}^1\times {\mathrm{37879}}^1$

素因数の和:38044

約数の個数: 36

約数和(自身を含む): 36549654400

約数和(自身を除く): 16428481116

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 1681, 3239, 3362, 6478, 6724, 12956, 37879, 75758, 132799, 151516, 265598, 531196, 1553039, 2992441, 3106078, 5984882, 6212156, 11969764, 63674599, 122690081, 127349198, 245380162, 254698396, 490760324, 5030293321, 10060586642, 20121173284]

約数ペア:

[(1, 20121173284), (2, 10060586642), (4, 5030293321), (41, 490760324), (79, 254698396), (82, 245380162), (158, 127349198), (164, 122690081), (316, 63674599), (1681, 11969764), (3239, 6212156), (3362, 5984882), (6478, 3106078), (6724, 2992441), (12956, 1553039), (37879, 531196), (75758, 265598), (132799, 151516)]