20706480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28759}}^1$

素因数の和:28778

約数の個数: 60

約数和(自身を含む): 69541680

約数和(自身を除く): 48835200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28759, 57518, 86277, 115036, 143795, 172554, 230072, 258831, 287590, 345108, 431385, 460144, 517662, 575180, 690216, 862770, 1035324, 1150360, 1294155, 1380432, 1725540, 2070648, 2300720, 2588310, 3451080, 4141296, 5176620, 6902160, 10353240, 20706480]

約数ペア:

[(1, 20706480), (2, 10353240), (3, 6902160), (4, 5176620), (5, 4141296), (6, 3451080), (8, 2588310), (9, 2300720), (10, 2070648), (12, 1725540), (15, 1380432), (16, 1294155), (18, 1150360), (20, 1035324), (24, 862770), (30, 690216), (36, 575180), (40, 517662), (45, 460144), (48, 431385), (60, 345108), (72, 287590), (80, 258831), (90, 230072), (120, 172554), (144, 143795), (180, 115036), (240, 86277), (360, 57518), (720, 28759)]