20566912

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{3919}}^1$

素因数の和:3974

約数の個数: 32

約数和(自身を含む): 41983200

約数和(自身を除く): 21416288

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 3919, 5248, 7838, 15676, 31352, 62704, 125408, 160679, 250816, 321358, 501632, 642716, 1285432, 2570864, 5141728, 10283456, 20566912]

約数ペア:

[(1, 20566912), (2, 10283456), (4, 5141728), (8, 2570864), (16, 1285432), (32, 642716), (41, 501632), (64, 321358), (82, 250816), (128, 160679), (164, 125408), (328, 62704), (656, 31352), (1312, 15676), (2624, 7838), (3919, 5248)]