20199632

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 40641000

約数和(自身を除く): 20441368

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 149, 229, 296, 298, 458, 592, 596, 916, 1192, 1832, 2384, 3664, 5513, 8473, 11026, 16946, 22052, 33892, 34121, 44104, 67784, 68242, 88208, 135568, 136484, 272968, 545936, 1262477, 2524954, 5049908, 10099816, 20199632]

約数ペア:

[(1, 20199632), (2, 10099816), (4, 5049908), (8, 2524954), (16, 1262477), (37, 545936), (74, 272968), (148, 136484), (149, 135568), (229, 88208), (296, 68242), (298, 67784), (458, 44104), (592, 34121), (596, 33892), (916, 22052), (1192, 16946), (1832, 11026), (2384, 8473), (3664, 5513)]