20652416

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9491}}^1$

素因数の和:9522

約数の個数: 32

約数和(自身を含む): 43568280

約数和(自身を除く): 22915864

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9491, 18982, 37964, 75928, 151856, 161347, 303712, 322694, 607424, 645388, 1214848, 1290776, 2581552, 5163104, 10326208, 20652416]

約数ペア:

[(1, 20652416), (2, 10326208), (4, 5163104), (8, 2581552), (16, 1290776), (17, 1214848), (32, 645388), (34, 607424), (64, 322694), (68, 303712), (128, 161347), (136, 151856), (272, 75928), (544, 37964), (1088, 18982), (2176, 9491)]