20958076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3463}}^1$

素因数の和:3573

約数の個数: 24

約数和(自身を含む): 39281760

約数和(自身を除く): 18323684

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3463, 6052, 6926, 13852, 58871, 117742, 235484, 308207, 616414, 1232828, 5239519, 10479038, 20958076]

約数ペア:

[(1, 20958076), (2, 10479038), (4, 5239519), (17, 1232828), (34, 616414), (68, 308207), (89, 235484), (178, 117742), (356, 58871), (1513, 13852), (3026, 6926), (3463, 6052)]