20756496

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 56246400

約数和(自身を除く): 35489904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 53, 82, 106, 123, 159, 164, 199, 212, 246, 318, 328, 398, 424, 492, 597, 636, 656, 796, 848, 984, 1194, 1272, 1592, 1968, 2173, 2388, 2544, 3184, 4346, 4776, 6519, 8159, 8692, 9552, 10547, 13038, 16318, 17384, 21094, 24477, 26076, 31641, 32636, 34768, 42188, 48954, 52152, 63282, 65272, 84376, 97908, 104304, 126564, 130544, 168752, 195816, 253128, 391632, 432427, 506256, 864854, 1297281, 1729708, 2594562, 3459416, 5189124, 6918832, 10378248, 20756496]

約数ペア:

[(1, 20756496), (2, 10378248), (3, 6918832), (4, 5189124), (6, 3459416), (8, 2594562), (12, 1729708), (16, 1297281), (24, 864854), (41, 506256), (48, 432427), (53, 391632), (82, 253128), (106, 195816), (123, 168752), (159, 130544), (164, 126564), (199, 104304), (212, 97908), (246, 84376), (318, 65272), (328, 63282), (398, 52152), (424, 48954), (492, 42188), (597, 34768), (636, 32636), (656, 31641), (796, 26076), (848, 24477), (984, 21094), (1194, 17384), (1272, 16318), (1592, 13038), (1968, 10547), (2173, 9552), (2388, 8692), (2544, 8159), (3184, 6519), (4346, 4776)]