20394992

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:825

約数の個数: 40

約数和(自身を含む): 41503296

約数和(自身を除く): 21108304

約数列:

[1, 2, 4, 8, 16, 37, 47, 74, 94, 148, 188, 296, 376, 592, 733, 752, 1466, 1739, 2932, 3478, 5864, 6956, 11728, 13912, 27121, 27824, 34451, 54242, 68902, 108484, 137804, 216968, 275608, 433936, 551216, 1274687, 2549374, 5098748, 10197496, 20394992]

約数ペア:

[(1, 20394992), (2, 10197496), (4, 5098748), (8, 2549374), (16, 1274687), (37, 551216), (47, 433936), (74, 275608), (94, 216968), (148, 137804), (188, 108484), (296, 68902), (376, 54242), (592, 34451), (733, 27824), (752, 27121), (1466, 13912), (1739, 11728), (2932, 6956), (3478, 5864)]