20743134715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{42821}}^1$

素因数の和:43023

約数の個数: 32

約数和(自身を含む): 27193682880

約数和(自身を除く): 6450548165

約数列:

[1, 5, 17, 41, 85, 139, 205, 695, 697, 2363, 3485, 5699, 11815, 28495, 42821, 96883, 214105, 484415, 727957, 1755661, 3639785, 5952119, 8778305, 29760595, 29846237, 101186023, 149231185, 244036879, 505930115, 1220184395, 4148626943, 20743134715]

約数ペア:

[(1, 20743134715), (5, 4148626943), (17, 1220184395), (41, 505930115), (85, 244036879), (139, 149231185), (205, 101186023), (695, 29846237), (697, 29760595), (2363, 8778305), (3485, 5952119), (5699, 3639785), (11815, 1755661), (28495, 727957), (42821, 484415), (96883, 214105)]