20429784

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16691}}^1$

素因数の和:16720

約数の個数: 48

約数和(自身を含む): 58588920

約数和(自身を除く): 38159136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 16691, 33382, 50073, 66764, 100146, 133528, 150219, 200292, 283747, 300438, 400584, 567494, 600876, 851241, 1134988, 1201752, 1702482, 2269976, 2553723, 3404964, 5107446, 6809928, 10214892, 20429784]

約数ペア:

[(1, 20429784), (2, 10214892), (3, 6809928), (4, 5107446), (6, 3404964), (8, 2553723), (9, 2269976), (12, 1702482), (17, 1201752), (18, 1134988), (24, 851241), (34, 600876), (36, 567494), (51, 400584), (68, 300438), (72, 283747), (102, 200292), (136, 150219), (153, 133528), (204, 100146), (306, 66764), (408, 50073), (612, 33382), (1224, 16691)]