20826156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7853}}^1$

素因数の和:7890

約数の個数: 48

約数和(自身を含む): 55417824

約数和(自身を除く): 34591668

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7853, 15706, 23559, 31412, 47118, 94236, 102089, 133501, 204178, 267002, 306267, 400503, 408356, 534004, 612534, 801006, 1225068, 1602012, 1735513, 3471026, 5206539, 6942052, 10413078, 20826156]

約数ペア:

[(1, 20826156), (2, 10413078), (3, 6942052), (4, 5206539), (6, 3471026), (12, 1735513), (13, 1602012), (17, 1225068), (26, 801006), (34, 612534), (39, 534004), (51, 408356), (52, 400503), (68, 306267), (78, 267002), (102, 204178), (156, 133501), (204, 102089), (221, 94236), (442, 47118), (663, 31412), (884, 23559), (1326, 15706), (2652, 7853)]