20588955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 14537829

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 263, 307, 789, 921, 1315, 1535, 3945, 4471, 4605, 5219, 13413, 15657, 22355, 26095, 67065, 78285, 80741, 242223, 403705, 1211115, 1372597, 4117791, 6862985, 20588955]

約数ペア:

[(1, 20588955), (3, 6862985), (5, 4117791), (15, 1372597), (17, 1211115), (51, 403705), (85, 242223), (255, 80741), (263, 78285), (307, 67065), (789, 26095), (921, 22355), (1315, 15657), (1535, 13413), (3945, 5219), (4471, 4605)]