20766375

素因数分解:

$3^4\times 5^3\times 7^1\times {\mathrm{293}}^1$

素因数の和:327

約数の個数: 80

約数和(自身を含む): 44396352

約数和(自身を除く): 23629977

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 125, 135, 175, 189, 225, 293, 315, 375, 405, 525, 567, 675, 875, 879, 945, 1125, 1465, 1575, 2025, 2051, 2625, 2637, 2835, 3375, 4395, 4725, 6153, 7325, 7875, 7911, 10125, 10255, 13185, 14175, 18459, 21975, 23625, 23733, 30765, 36625, 39555, 51275, 55377, 65925, 70875, 92295, 109875, 118665, 153825, 166131, 197775, 256375, 276885, 329625, 461475, 593325, 769125, 830655, 988875, 1384425, 2307375, 2966625, 4153275, 6922125, 20766375]

約数ペア:

[(1, 20766375), (3, 6922125), (5, 4153275), (7, 2966625), (9, 2307375), (15, 1384425), (21, 988875), (25, 830655), (27, 769125), (35, 593325), (45, 461475), (63, 329625), (75, 276885), (81, 256375), (105, 197775), (125, 166131), (135, 153825), (175, 118665), (189, 109875), (225, 92295), (293, 70875), (315, 65925), (375, 55377), (405, 51275), (525, 39555), (567, 36625), (675, 30765), (875, 23733), (879, 23625), (945, 21975), (1125, 18459), (1465, 14175), (1575, 13185), (2025, 10255), (2051, 10125), (2625, 7911), (2637, 7875), (2835, 7325), (3375, 6153), (4395, 4725)]