20852376490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{292091}}^1$

素因数の和:292179

約数の個数: 48

約数和(自身を含む): 41956094880

約数和(自身を除く): 21103718390

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 121, 242, 295, 590, 605, 649, 1210, 1298, 3245, 6490, 7139, 14278, 35695, 71390, 292091, 584182, 1460455, 2920910, 3213001, 6426002, 16065005, 17233369, 32130010, 34466738, 35343011, 70686022, 86166845, 172333690, 176715055, 189567059, 353430110, 379134118, 947835295, 1895670590, 2085237649, 4170475298, 10426188245, 20852376490]

約数ペア:

[(1, 20852376490), (2, 10426188245), (5, 4170475298), (10, 2085237649), (11, 1895670590), (22, 947835295), (55, 379134118), (59, 353430110), (110, 189567059), (118, 176715055), (121, 172333690), (242, 86166845), (295, 70686022), (590, 35343011), (605, 34466738), (649, 32130010), (1210, 17233369), (1298, 16065005), (3245, 6426002), (6490, 3213001), (7139, 2920910), (14278, 1460455), (35695, 584182), (71390, 292091)]