20403462695

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{868787}}^1$

素因数の和:868871

約数の個数: 32

約数和(自身を含む): 31026157056

約数和(自身を除く): 10622694361

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 305, 385, 427, 671, 2135, 3355, 4697, 23485, 868787, 4343935, 6081509, 9556657, 30407545, 47783285, 52996007, 66896599, 264980035, 334482995, 370972049, 582956077, 1854860245, 2914780385, 4080692539, 20403462695]

約数ペア:

[(1, 20403462695), (5, 4080692539), (7, 2914780385), (11, 1854860245), (35, 582956077), (55, 370972049), (61, 334482995), (77, 264980035), (305, 66896599), (385, 52996007), (427, 47783285), (671, 30407545), (2135, 9556657), (3355, 6081509), (4697, 4343935), (23485, 868787)]