20309436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 39130308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 747, 971, 996, 1162, 1494, 1743, 1942, 2324, 2913, 2988, 3486, 3884, 5229, 5826, 6797, 6972, 8739, 10458, 11652, 13594, 17478, 20391, 20916, 27188, 34956, 40782, 61173, 80593, 81564, 122346, 161186, 241779, 244692, 322372, 483558, 564151, 725337, 967116, 1128302, 1450674, 1692453, 2256604, 2901348, 3384906, 5077359, 6769812, 10154718, 20309436]

約数ペア:

[(1, 20309436), (2, 10154718), (3, 6769812), (4, 5077359), (6, 3384906), (7, 2901348), (9, 2256604), (12, 1692453), (14, 1450674), (18, 1128302), (21, 967116), (28, 725337), (36, 564151), (42, 483558), (63, 322372), (83, 244692), (84, 241779), (126, 161186), (166, 122346), (249, 81564), (252, 80593), (332, 61173), (498, 40782), (581, 34956), (747, 27188), (971, 20916), (996, 20391), (1162, 17478), (1494, 13594), (1743, 11652), (1942, 10458), (2324, 8739), (2913, 6972), (2988, 6797), (3486, 5826), (3884, 5229)]