20312849925

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{196687}}^1$

素因数の和:196729

約数の個数: 72

約数和(自身を含む): 39949693056

約数和(自身を除く): 19636843131

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 243, 255, 405, 425, 459, 675, 765, 1215, 1275, 1377, 2025, 2295, 3825, 4131, 6075, 6885, 11475, 20655, 34425, 103275, 196687, 590061, 983435, 1770183, 2950305, 3343679, 4917175, 5310549, 8850915, 10031037, 14751525, 15931647, 16718395, 26552745, 30093111, 44254575, 47794941, 50155185, 79658235, 83591975, 90279333, 132763725, 150465555, 238974705, 250775925, 270837999, 398291175, 451396665, 752327775, 812513997, 1194873525, 1354189995, 2256983325, 4062569985, 6770949975, 20312849925]

約数ペア:

[(1, 20312849925), (3, 6770949975), (5, 4062569985), (9, 2256983325), (15, 1354189995), (17, 1194873525), (25, 812513997), (27, 752327775), (45, 451396665), (51, 398291175), (75, 270837999), (81, 250775925), (85, 238974705), (135, 150465555), (153, 132763725), (225, 90279333), (243, 83591975), (255, 79658235), (405, 50155185), (425, 47794941), (459, 44254575), (675, 30093111), (765, 26552745), (1215, 16718395), (1275, 15931647), (1377, 14751525), (2025, 10031037), (2295, 8850915), (3825, 5310549), (4131, 4917175), (6075, 3343679), (6885, 2950305), (11475, 1770183), (20655, 983435), (34425, 590061), (103275, 196687)]