20112984

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{683}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 54685800

約数和(自身を除く): 34572816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 683, 818, 1227, 1366, 1636, 2049, 2454, 2732, 3272, 3681, 4098, 4908, 5464, 6147, 7362, 8196, 9816, 12294, 14724, 16392, 24588, 29448, 49176, 279347, 558694, 838041, 1117388, 1676082, 2234776, 2514123, 3352164, 5028246, 6704328, 10056492, 20112984]

約数ペア:

[(1, 20112984), (2, 10056492), (3, 6704328), (4, 5028246), (6, 3352164), (8, 2514123), (9, 2234776), (12, 1676082), (18, 1117388), (24, 838041), (36, 558694), (72, 279347), (409, 49176), (683, 29448), (818, 24588), (1227, 16392), (1366, 14724), (1636, 12294), (2049, 9816), (2454, 8196), (2732, 7362), (3272, 6147), (3681, 5464), (4098, 4908)]