20994064

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14419}}^1$

素因数の和:14447

約数の個数: 40

約数和(自身を含む): 50066240

約数和(自身を除く): 29072176

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14419, 28838, 57676, 100933, 115352, 187447, 201866, 230704, 374894, 403732, 749788, 807464, 1312129, 1499576, 1614928, 2624258, 2999152, 5248516, 10497032, 20994064]

約数ペア:

[(1, 20994064), (2, 10497032), (4, 5248516), (7, 2999152), (8, 2624258), (13, 1614928), (14, 1499576), (16, 1312129), (26, 807464), (28, 749788), (52, 403732), (56, 374894), (91, 230704), (104, 201866), (112, 187447), (182, 115352), (208, 100933), (364, 57676), (728, 28838), (1456, 14419)]