20193384105

素因数分解:

$3^3\times 5^1\times {\mathrm{2437}}^1\times {\mathrm{61379}}^1$

素因数の和:63830

約数の個数: 32

約数和(自身を含む): 35914665600

約数和(自身を除く): 15721281495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2437, 7311, 12185, 21933, 36555, 61379, 65799, 109665, 184137, 306895, 328995, 552411, 920685, 1657233, 2762055, 8286165, 149580623, 448741869, 747903115, 1346225607, 2243709345, 4038676821, 6731128035, 20193384105]

約数ペア:

[(1, 20193384105), (3, 6731128035), (5, 4038676821), (9, 2243709345), (15, 1346225607), (27, 747903115), (45, 448741869), (135, 149580623), (2437, 8286165), (7311, 2762055), (12185, 1657233), (21933, 920685), (36555, 552411), (61379, 328995), (65799, 306895), (109665, 184137)]