20391264

素因数分解:

$2^5\times 3^4\times {\mathrm{7867}}^1$

素因数の和:7889

約数の個数: 60

約数和(自身を含む): 59977764

約数和(自身を除く): 39586500

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 7867, 15734, 23601, 31468, 47202, 62936, 70803, 94404, 125872, 141606, 188808, 212409, 251744, 283212, 377616, 424818, 566424, 637227, 755232, 849636, 1132848, 1274454, 1699272, 2265696, 2548908, 3398544, 5097816, 6797088, 10195632, 20391264]

約数ペア:

[(1, 20391264), (2, 10195632), (3, 6797088), (4, 5097816), (6, 3398544), (8, 2548908), (9, 2265696), (12, 1699272), (16, 1274454), (18, 1132848), (24, 849636), (27, 755232), (32, 637227), (36, 566424), (48, 424818), (54, 377616), (72, 283212), (81, 251744), (96, 212409), (108, 188808), (144, 141606), (162, 125872), (216, 94404), (288, 70803), (324, 62936), (432, 47202), (648, 31468), (864, 23601), (1296, 15734), (2592, 7867)]