20384504

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2657}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 44016480

約数和(自身を除く): 23631976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2657, 3836, 5314, 7672, 10628, 18599, 21256, 37198, 74396, 148792, 364009, 728018, 1456036, 2548063, 2912072, 5096126, 10192252, 20384504]

約数ペア:

[(1, 20384504), (2, 10192252), (4, 5096126), (7, 2912072), (8, 2548063), (14, 1456036), (28, 728018), (56, 364009), (137, 148792), (274, 74396), (548, 37198), (959, 21256), (1096, 18599), (1918, 10628), (2657, 7672), (3836, 5314)]