20121180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{683}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 56536704

約数和(自身を除く): 36415524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 683, 982, 1366, 1473, 1964, 2049, 2455, 2732, 2946, 3415, 4098, 4910, 5892, 6830, 7365, 8196, 9820, 10245, 13660, 14730, 20490, 29460, 40980, 335353, 670706, 1006059, 1341412, 1676765, 2012118, 3353530, 4024236, 5030295, 6707060, 10060590, 20121180]

約数ペア:

[(1, 20121180), (2, 10060590), (3, 6707060), (4, 5030295), (5, 4024236), (6, 3353530), (10, 2012118), (12, 1676765), (15, 1341412), (20, 1006059), (30, 670706), (60, 335353), (491, 40980), (683, 29460), (982, 20490), (1366, 14730), (1473, 13660), (1964, 10245), (2049, 9820), (2455, 8196), (2732, 7365), (2946, 6830), (3415, 5892), (4098, 4910)]