20341665

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2843}}^1$

素因数の和:2910

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 16516575

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 2843, 7155, 8529, 14215, 25587, 42645, 76761, 127935, 150679, 383805, 452037, 753395, 1356111, 2260185, 4068333, 6780555, 20341665]

約数ペア:

[(1, 20341665), (3, 6780555), (5, 4068333), (9, 2260185), (15, 1356111), (27, 753395), (45, 452037), (53, 383805), (135, 150679), (159, 127935), (265, 76761), (477, 42645), (795, 25587), (1431, 14215), (2385, 8529), (2843, 7155)]