20755028

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6229}}^1$

素因数の和:6264

約数の個数: 36

約数和(自身を含む): 44743860

約数和(自身を除く): 23988832

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6229, 12458, 24916, 43603, 87206, 105893, 174412, 211786, 305221, 423572, 610442, 741251, 1220884, 1482502, 2965004, 5188757, 10377514, 20755028]

約数ペア:

[(1, 20755028), (2, 10377514), (4, 5188757), (7, 2965004), (14, 1482502), (17, 1220884), (28, 741251), (34, 610442), (49, 423572), (68, 305221), (98, 211786), (119, 174412), (196, 105893), (238, 87206), (476, 43603), (833, 24916), (1666, 12458), (3332, 6229)]