20940930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 80

約数和(自身を含む): 57081024

約数和(自身を除く): 36140094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 103, 135, 162, 206, 251, 270, 309, 405, 502, 515, 618, 753, 810, 927, 1030, 1255, 1506, 1545, 1854, 2259, 2510, 2781, 3090, 3765, 4518, 4635, 5562, 6777, 7530, 8343, 9270, 11295, 13554, 13905, 16686, 20331, 22590, 25853, 27810, 33885, 40662, 41715, 51706, 67770, 77559, 83430, 101655, 129265, 155118, 203310, 232677, 258530, 387795, 465354, 698031, 775590, 1163385, 1396062, 2094093, 2326770, 3490155, 4188186, 6980310, 10470465, 20940930]

約数ペア:

[(1, 20940930), (2, 10470465), (3, 6980310), (5, 4188186), (6, 3490155), (9, 2326770), (10, 2094093), (15, 1396062), (18, 1163385), (27, 775590), (30, 698031), (45, 465354), (54, 387795), (81, 258530), (90, 232677), (103, 203310), (135, 155118), (162, 129265), (206, 101655), (251, 83430), (270, 77559), (309, 67770), (405, 51706), (502, 41715), (515, 40662), (618, 33885), (753, 27810), (810, 25853), (927, 22590), (1030, 20331), (1255, 16686), (1506, 13905), (1545, 13554), (1854, 11295), (2259, 9270), (2510, 8343), (2781, 7530), (3090, 6777), (3765, 5562), (4518, 4635)]