20311936

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1886

約数の個数: 32

約数和(自身を含む): 40942800

約数和(自身を除く): 20630864

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 1783, 2848, 3566, 5696, 7132, 11392, 14264, 28528, 57056, 114112, 158687, 228224, 317374, 634748, 1269496, 2538992, 5077984, 10155968, 20311936]

約数ペア:

[(1, 20311936), (2, 10155968), (4, 5077984), (8, 2538992), (16, 1269496), (32, 634748), (64, 317374), (89, 228224), (128, 158687), (178, 114112), (356, 57056), (712, 28528), (1424, 14264), (1783, 11392), (2848, 7132), (3566, 5696)]