20147659905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1681073}}^1$

素因数の和:1681145

約数の個数: 32

約数和(自身を含む): 34858750464

約数和(自身を除く): 14711090559

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 1681073, 5043219, 8405365, 25216095, 28578241, 79010431, 85734723, 142891205, 237031293, 395052155, 428673615, 1185156465, 1343177327, 4029531981, 6715886635, 20147659905]

約数ペア:

[(1, 20147659905), (3, 6715886635), (5, 4029531981), (15, 1343177327), (17, 1185156465), (47, 428673615), (51, 395052155), (85, 237031293), (141, 142891205), (235, 85734723), (255, 79010431), (705, 28578241), (799, 25216095), (2397, 8405365), (3995, 5043219), (11985, 1681073)]