20353968

素因数分解:

$2^4\times 3^2\times {\mathrm{107}}^1\times {\mathrm{1321}}^1$

素因数の和:1442

約数の個数: 60

約数和(自身を含む): 57538728

約数和(自身を除く): 37184760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 107, 144, 214, 321, 428, 642, 856, 963, 1284, 1321, 1712, 1926, 2568, 2642, 3852, 3963, 5136, 5284, 7704, 7926, 10568, 11889, 15408, 15852, 21136, 23778, 31704, 47556, 63408, 95112, 141347, 190224, 282694, 424041, 565388, 848082, 1130776, 1272123, 1696164, 2261552, 2544246, 3392328, 5088492, 6784656, 10176984, 20353968]

約数ペア:

[(1, 20353968), (2, 10176984), (3, 6784656), (4, 5088492), (6, 3392328), (8, 2544246), (9, 2261552), (12, 1696164), (16, 1272123), (18, 1130776), (24, 848082), (36, 565388), (48, 424041), (72, 282694), (107, 190224), (144, 141347), (214, 95112), (321, 63408), (428, 47556), (642, 31704), (856, 23778), (963, 21136), (1284, 15852), (1321, 15408), (1712, 11889), (1926, 10568), (2568, 7926), (2642, 7704), (3852, 5284), (3963, 5136)]