20200352

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 42783552

約数和(自身を除く): 22583200

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 523, 544, 568, 1046, 1136, 1207, 2092, 2272, 2414, 4184, 4828, 8368, 8891, 9656, 16736, 17782, 19312, 35564, 37133, 38624, 71128, 74266, 142256, 148532, 284512, 297064, 594128, 631261, 1188256, 1262522, 2525044, 5050088, 10100176, 20200352]

約数ペア:

[(1, 20200352), (2, 10100176), (4, 5050088), (8, 2525044), (16, 1262522), (17, 1188256), (32, 631261), (34, 594128), (68, 297064), (71, 284512), (136, 148532), (142, 142256), (272, 74266), (284, 71128), (523, 38624), (544, 37133), (568, 35564), (1046, 19312), (1136, 17782), (1207, 16736), (2092, 9656), (2272, 8891), (2414, 8368), (4184, 4828)]