20089862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 13657978

約数列:

[1, 2, 13, 26, 53, 61, 106, 122, 239, 478, 689, 793, 1378, 1586, 3107, 3233, 6214, 6466, 12667, 14579, 25334, 29158, 42029, 84058, 164671, 189527, 329342, 379054, 772687, 1545374, 10044931, 20089862]

約数ペア:

[(1, 20089862), (2, 10044931), (13, 1545374), (26, 772687), (53, 379054), (61, 329342), (106, 189527), (122, 164671), (239, 84058), (478, 42029), (689, 29158), (793, 25334), (1378, 14579), (1586, 12667), (3107, 6466), (3233, 6214)]