20644920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57347}}^1$

素因数の和:57364

約数の個数: 48

約数和(自身を含む): 67097160

約数和(自身を除く): 46452240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57347, 114694, 172041, 229388, 286735, 344082, 458776, 516123, 573470, 688164, 860205, 1032246, 1146940, 1376328, 1720410, 2064492, 2293880, 2580615, 3440820, 4128984, 5161230, 6881640, 10322460, 20644920]

約数ペア:

[(1, 20644920), (2, 10322460), (3, 6881640), (4, 5161230), (5, 4128984), (6, 3440820), (8, 2580615), (9, 2293880), (10, 2064492), (12, 1720410), (15, 1376328), (18, 1146940), (20, 1032246), (24, 860205), (30, 688164), (36, 573470), (40, 516123), (45, 458776), (60, 344082), (72, 286735), (90, 229388), (120, 172041), (180, 114694), (360, 57347)]