20830304

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^2$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 48185928

約数和(自身を除く): 27355624

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 59, 68, 88, 118, 136, 176, 187, 236, 272, 352, 374, 472, 544, 649, 748, 944, 1003, 1298, 1496, 1888, 2006, 2596, 2992, 3481, 4012, 5192, 5984, 6962, 8024, 10384, 11033, 13924, 16048, 20768, 22066, 27848, 32096, 38291, 44132, 55696, 59177, 76582, 88264, 111392, 118354, 153164, 176528, 236708, 306328, 353056, 473416, 612656, 650947, 946832, 1225312, 1301894, 1893664, 2603788, 5207576, 10415152, 20830304]

約数ペア:

[(1, 20830304), (2, 10415152), (4, 5207576), (8, 2603788), (11, 1893664), (16, 1301894), (17, 1225312), (22, 946832), (32, 650947), (34, 612656), (44, 473416), (59, 353056), (68, 306328), (88, 236708), (118, 176528), (136, 153164), (176, 118354), (187, 111392), (236, 88264), (272, 76582), (352, 59177), (374, 55696), (472, 44132), (544, 38291), (649, 32096), (748, 27848), (944, 22066), (1003, 20768), (1298, 16048), (1496, 13924), (1888, 11033), (2006, 10384), (2596, 8024), (2992, 6962), (3481, 5984), (4012, 5192)]