20519476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{809}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 38170440

約数和(自身を除く): 17650964

約数列:

[1, 2, 4, 17, 34, 68, 373, 746, 809, 1492, 1618, 3236, 6341, 12682, 13753, 25364, 27506, 55012, 301757, 603514, 1207028, 5129869, 10259738, 20519476]

約数ペア:

[(1, 20519476), (2, 10259738), (4, 5129869), (17, 1207028), (34, 603514), (68, 301757), (373, 55012), (746, 27506), (809, 25364), (1492, 13753), (1618, 12682), (3236, 6341)]