19904992

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8761}}^1$

素因数の和:8842

約数の個数: 24

約数和(自身を含む): 39744432

約数和(自身を除く): 19839440

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8761, 17522, 35044, 70088, 140176, 280352, 622031, 1244062, 2488124, 4976248, 9952496, 19904992]

約数ペア:

[(1, 19904992), (2, 9952496), (4, 4976248), (8, 2488124), (16, 1244062), (32, 622031), (71, 280352), (142, 140176), (284, 70088), (568, 35044), (1136, 17522), (2272, 8761)]