20651930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6907}}^1$

素因数の和:6950

約数の個数: 32

約数和(自身を含む): 41779584

約数和(自身を除く): 21127654

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6907, 13814, 34535, 69070, 89791, 158861, 179582, 317722, 448955, 794305, 897910, 1588610, 2065193, 4130386, 10325965, 20651930]

約数ペア:

[(1, 20651930), (2, 10325965), (5, 4130386), (10, 2065193), (13, 1588610), (23, 897910), (26, 794305), (46, 448955), (65, 317722), (115, 179582), (130, 158861), (230, 89791), (299, 69070), (598, 34535), (1495, 13814), (2990, 6907)]