20701845

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1723}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 37238400

約数和(自身を除く): 16536555

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 1723, 2403, 4005, 5169, 8615, 12015, 15507, 25845, 46521, 77535, 153347, 232605, 460041, 766735, 1380123, 2300205, 4140369, 6900615, 20701845]

約数ペア:

[(1, 20701845), (3, 6900615), (5, 4140369), (9, 2300205), (15, 1380123), (27, 766735), (45, 460041), (89, 232605), (135, 153347), (267, 77535), (445, 46521), (801, 25845), (1335, 15507), (1723, 12015), (2403, 8615), (4005, 5169)]