20072220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47791}}^1$

素因数の和:47810

約数の個数: 48

約数和(自身を含む): 64232448

約数和(自身を除く): 44160228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47791, 95582, 143373, 191164, 238955, 286746, 334537, 477910, 573492, 669074, 716865, 955820, 1003611, 1338148, 1433730, 1672685, 2007222, 2867460, 3345370, 4014444, 5018055, 6690740, 10036110, 20072220]

約数ペア:

[(1, 20072220), (2, 10036110), (3, 6690740), (4, 5018055), (5, 4014444), (6, 3345370), (7, 2867460), (10, 2007222), (12, 1672685), (14, 1433730), (15, 1338148), (20, 1003611), (21, 955820), (28, 716865), (30, 669074), (35, 573492), (42, 477910), (60, 334537), (70, 286746), (84, 238955), (105, 191164), (140, 143373), (210, 95582), (420, 47791)]