16631780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4447}}^1$

素因数の和:4484

約数の個数: 48

約数和(自身を含む): 40352256

約数和(自身を除く): 23720476

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 4447, 8894, 17788, 22235, 44470, 48917, 75599, 88940, 97834, 151198, 195668, 244585, 302396, 377995, 489170, 755990, 831589, 978340, 1511980, 1663178, 3326356, 4157945, 8315890, 16631780]

約数ペア:

[(1, 16631780), (2, 8315890), (4, 4157945), (5, 3326356), (10, 1663178), (11, 1511980), (17, 978340), (20, 831589), (22, 755990), (34, 489170), (44, 377995), (55, 302396), (68, 244585), (85, 195668), (110, 151198), (170, 97834), (187, 88940), (220, 75599), (340, 48917), (374, 44470), (748, 22235), (935, 17788), (1870, 8894), (3740, 4447)]