20269695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2741}}^1$

素因数の和:2795

約数の個数: 32

約数和(自身を含む): 35536320

約数和(自身を除く): 15266625

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 2741, 7395, 8223, 13705, 41115, 46597, 79489, 139791, 232985, 238467, 397445, 698955, 1192335, 1351313, 4053939, 6756565, 20269695]

約数ペア:

[(1, 20269695), (3, 6756565), (5, 4053939), (15, 1351313), (17, 1192335), (29, 698955), (51, 397445), (85, 238467), (87, 232985), (145, 139791), (255, 79489), (435, 46597), (493, 41115), (1479, 13705), (2465, 8223), (2741, 7395)]