20951308071

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{154669}}^1$

素因数の和:154880

約数の個数: 32

約数和(自身を含む): 32295096000

約数和(自身を除く): 11343787929

約数列:

[1, 3, 9, 27, 29, 87, 173, 261, 519, 783, 1557, 4671, 5017, 15051, 45153, 135459, 154669, 464007, 1392021, 4176063, 4485401, 13456203, 26757737, 40368609, 80273211, 121105827, 240819633, 722458899, 775974373, 2327923119, 6983769357, 20951308071]

約数ペア:

[(1, 20951308071), (3, 6983769357), (9, 2327923119), (27, 775974373), (29, 722458899), (87, 240819633), (173, 121105827), (261, 80273211), (519, 40368609), (783, 26757737), (1557, 13456203), (4671, 4485401), (5017, 4176063), (15051, 1392021), (45153, 464007), (135459, 154669)]