20803548878

素因数分解:

$2^1\times 7^3\times {\mathrm{2693}}^1\times {\mathrm{11261}}^1$

素因数の和:13977

約数の個数: 32

約数和(自身を含む): 36407793600

約数和(自身を除く): 15604244722

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2693, 5386, 11261, 18851, 22522, 37702, 78827, 131957, 157654, 263914, 551789, 923699, 1103578, 1847398, 3862523, 7725046, 30325873, 60651746, 212281111, 424562222, 1485967777, 2971935554, 10401774439, 20803548878]

約数ペア:

[(1, 20803548878), (2, 10401774439), (7, 2971935554), (14, 1485967777), (49, 424562222), (98, 212281111), (343, 60651746), (686, 30325873), (2693, 7725046), (5386, 3862523), (11261, 1847398), (18851, 1103578), (22522, 923699), (37702, 551789), (78827, 263914), (131957, 157654)]