19660760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1433}}^1$

素因数の和:1465

約数の個数: 64

約数和(自身を含む): 51624000

約数和(自身を除く): 31963240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1433, 1715, 1960, 2744, 2866, 3430, 5732, 6860, 7165, 10031, 11464, 13720, 14330, 20062, 28660, 40124, 50155, 57320, 70217, 80248, 100310, 140434, 200620, 280868, 351085, 401240, 491519, 561736, 702170, 983038, 1404340, 1966076, 2457595, 2808680, 3932152, 4915190, 9830380, 19660760]

約数ペア:

[(1, 19660760), (2, 9830380), (4, 4915190), (5, 3932152), (7, 2808680), (8, 2457595), (10, 1966076), (14, 1404340), (20, 983038), (28, 702170), (35, 561736), (40, 491519), (49, 401240), (56, 351085), (70, 280868), (98, 200620), (140, 140434), (196, 100310), (245, 80248), (280, 70217), (343, 57320), (392, 50155), (490, 40124), (686, 28660), (980, 20062), (1372, 14330), (1433, 13720), (1715, 11464), (1960, 10031), (2744, 7165), (2866, 6860), (3430, 5732)]