20904704

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{2207}}^1$

素因数の和:2260

約数の個数: 36

約数和(自身を含む): 42874944

約数和(自身を除く): 21970240

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 592, 1184, 2207, 2368, 4414, 4736, 8828, 9472, 17656, 35312, 70624, 81659, 141248, 163318, 282496, 326636, 564992, 653272, 1306544, 2613088, 5226176, 10452352, 20904704]

約数ペア:

[(1, 20904704), (2, 10452352), (4, 5226176), (8, 2613088), (16, 1306544), (32, 653272), (37, 564992), (64, 326636), (74, 282496), (128, 163318), (148, 141248), (256, 81659), (296, 70624), (592, 35312), (1184, 17656), (2207, 9472), (2368, 8828), (4414, 4736)]