20401472025

素因数分解:

$3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{305297}}^1$

素因数の和:305333

約数の個数: 72

約数和(自身を含む): 41339791584

約数和(自身を除く): 20938319559

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 225, 243, 275, 297, 405, 495, 675, 825, 891, 1215, 1485, 2025, 2475, 2673, 4455, 6075, 7425, 13365, 22275, 66825, 305297, 915891, 1526485, 2747673, 3358267, 4579455, 7632425, 8243019, 10074801, 13738365, 16791335, 22897275, 24729057, 30224403, 41215095, 50374005, 68691825, 74187171, 83956675, 90673209, 123645285, 151122015, 206075475, 251870025, 272019627, 370935855, 453366045, 618226425, 755610075, 816058881, 1360098135, 1854679275, 2266830225, 4080294405, 6800490675, 20401472025]

約数ペア:

[(1, 20401472025), (3, 6800490675), (5, 4080294405), (9, 2266830225), (11, 1854679275), (15, 1360098135), (25, 816058881), (27, 755610075), (33, 618226425), (45, 453366045), (55, 370935855), (75, 272019627), (81, 251870025), (99, 206075475), (135, 151122015), (165, 123645285), (225, 90673209), (243, 83956675), (275, 74187171), (297, 68691825), (405, 50374005), (495, 41215095), (675, 30224403), (825, 24729057), (891, 22897275), (1215, 16791335), (1485, 13738365), (2025, 10074801), (2475, 8243019), (2673, 7632425), (4455, 4579455), (6075, 3358267), (7425, 2747673), (13365, 1526485), (22275, 915891), (66825, 305297)]