20172872748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{892763}}^1$

素因数の和:893046

約数の個数: 48

約数和(自身を含む): 53994366720

約数和(自身を除く): 33821493972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 269, 538, 807, 1076, 1614, 1883, 3228, 3766, 5649, 7532, 11298, 22596, 892763, 1785526, 2678289, 3571052, 5356578, 6249341, 10713156, 12498682, 18748023, 24997364, 37496046, 74992092, 240153247, 480306494, 720459741, 960612988, 1440919482, 1681072729, 2881838964, 3362145458, 5043218187, 6724290916, 10086436374, 20172872748]

約数ペア:

[(1, 20172872748), (2, 10086436374), (3, 6724290916), (4, 5043218187), (6, 3362145458), (7, 2881838964), (12, 1681072729), (14, 1440919482), (21, 960612988), (28, 720459741), (42, 480306494), (84, 240153247), (269, 74992092), (538, 37496046), (807, 24997364), (1076, 18748023), (1614, 12498682), (1883, 10713156), (3228, 6249341), (3766, 5356578), (5649, 3571052), (7532, 2678289), (11298, 1785526), (22596, 892763)]