20152506825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{19433}}^1$

素因数の和:19879

約数の個数: 72

約数和(自身を含む): 39472786080

約数和(自身を除く): 19320279255

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 419, 495, 825, 1257, 2095, 2475, 3771, 4609, 6285, 10475, 13827, 18855, 19433, 23045, 31425, 41481, 58299, 69135, 94275, 97165, 115225, 174897, 207405, 213763, 291495, 345675, 485825, 641289, 874485, 1037025, 1068815, 1457475, 1923867, 3206445, 4372425, 5344075, 8142427, 9619335, 16032225, 24427281, 40712135, 48096675, 73281843, 89566697, 122136405, 203560675, 268700091, 366409215, 447833485, 610682025, 806100273, 1343500455, 1832046075, 2239167425, 4030501365, 6717502275, 20152506825]

約数ペア:

[(1, 20152506825), (3, 6717502275), (5, 4030501365), (9, 2239167425), (11, 1832046075), (15, 1343500455), (25, 806100273), (33, 610682025), (45, 447833485), (55, 366409215), (75, 268700091), (99, 203560675), (165, 122136405), (225, 89566697), (275, 73281843), (419, 48096675), (495, 40712135), (825, 24427281), (1257, 16032225), (2095, 9619335), (2475, 8142427), (3771, 5344075), (4609, 4372425), (6285, 3206445), (10475, 1923867), (13827, 1457475), (18855, 1068815), (19433, 1037025), (23045, 874485), (31425, 641289), (41481, 485825), (58299, 345675), (69135, 291495), (94275, 213763), (97165, 207405), (115225, 174897)]