20403927608

素因数分解:

$2^3\times {\mathrm{269}}^1\times {\mathrm{457}}^1\times {\mathrm{20747}}^1$

素因数の和:21479

約数の個数: 32

約数和(自身を含む): 38485465200

約数和(自身を除く): 18081537592

約数列:

[1, 2, 4, 8, 269, 457, 538, 914, 1076, 1828, 2152, 3656, 20747, 41494, 82988, 122933, 165976, 245866, 491732, 983464, 5580943, 9481379, 11161886, 18962758, 22323772, 37925516, 44647544, 75851032, 2550490951, 5100981902, 10201963804, 20403927608]

約数ペア:

[(1, 20403927608), (2, 10201963804), (4, 5100981902), (8, 2550490951), (269, 75851032), (457, 44647544), (538, 37925516), (914, 22323772), (1076, 18962758), (1828, 11161886), (2152, 9481379), (3656, 5580943), (20747, 983464), (41494, 491732), (82988, 245866), (122933, 165976)]