20075207860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1\times {\mathrm{68897}}^1$

素因数の和:69780

約数の個数: 48

約数和(自身を含む): 44690549904

約数和(自身を除く): 24615342044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 857, 1714, 3428, 4285, 8570, 14569, 17140, 29138, 58276, 68897, 72845, 137794, 145690, 275588, 291380, 344485, 688970, 1171249, 1377940, 2342498, 4684996, 5856245, 11712490, 23424980, 59044729, 118089458, 236178916, 295223645, 590447290, 1003760393, 1180894580, 2007520786, 4015041572, 5018801965, 10037603930, 20075207860]

約数ペア:

[(1, 20075207860), (2, 10037603930), (4, 5018801965), (5, 4015041572), (10, 2007520786), (17, 1180894580), (20, 1003760393), (34, 590447290), (68, 295223645), (85, 236178916), (170, 118089458), (340, 59044729), (857, 23424980), (1714, 11712490), (3428, 5856245), (4285, 4684996), (8570, 2342498), (14569, 1377940), (17140, 1171249), (29138, 688970), (58276, 344485), (68897, 291380), (72845, 275588), (137794, 145690)]