20485408

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37657}}^1$

素因数の和:37684

約数の個数: 24

約数和(自身を含む): 42704172

約数和(自身を除く): 22218764

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37657, 75314, 150628, 301256, 602512, 640169, 1205024, 1280338, 2560676, 5121352, 10242704, 20485408]

約数ペア:

[(1, 20485408), (2, 10242704), (4, 5121352), (8, 2560676), (16, 1280338), (17, 1205024), (32, 640169), (34, 602512), (68, 301256), (136, 150628), (272, 75314), (544, 37657)]