20964006

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{439}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 52166400

約数和(自身を除く): 31202394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 379, 439, 758, 878, 1137, 1317, 2274, 2634, 2653, 3073, 3411, 3951, 5306, 6146, 6822, 7902, 7959, 9219, 15918, 18438, 23877, 27657, 47754, 55314, 166381, 332762, 499143, 998286, 1164667, 1497429, 2329334, 2994858, 3494001, 6988002, 10482003, 20964006]

約数ペア:

[(1, 20964006), (2, 10482003), (3, 6988002), (6, 3494001), (7, 2994858), (9, 2329334), (14, 1497429), (18, 1164667), (21, 998286), (42, 499143), (63, 332762), (126, 166381), (379, 55314), (439, 47754), (758, 27657), (878, 23877), (1137, 18438), (1317, 15918), (2274, 9219), (2634, 7959), (2653, 7902), (3073, 6822), (3411, 6146), (3951, 5306)]