20347065

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6553}}^1$

素因数の和:6590

約数の個数: 32

約数和(自身を含む): 37751040

約数和(自身を除く): 17403975

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6553, 19659, 32765, 58977, 98295, 150719, 176931, 294885, 452157, 753595, 884655, 1356471, 2260785, 4069413, 6782355, 20347065]

約数ペア:

[(1, 20347065), (3, 6782355), (5, 4069413), (9, 2260785), (15, 1356471), (23, 884655), (27, 753595), (45, 452157), (69, 294885), (115, 176931), (135, 150719), (207, 98295), (345, 58977), (621, 32765), (1035, 19659), (3105, 6553)]