20212752

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1460

約数の個数: 80

約数和(自身を含む): 61107200

約数和(自身を除く): 40894448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1399, 1806, 2064, 2408, 2798, 3612, 4197, 4816, 5596, 7224, 8394, 9793, 11192, 14448, 16788, 19586, 22384, 29379, 33576, 39172, 58758, 60157, 67152, 78344, 117516, 120314, 156688, 180471, 235032, 240628, 360942, 421099, 470064, 481256, 721884, 842198, 962512, 1263297, 1443768, 1684396, 2526594, 2887536, 3368792, 5053188, 6737584, 10106376, 20212752]

約数ペア:

[(1, 20212752), (2, 10106376), (3, 6737584), (4, 5053188), (6, 3368792), (7, 2887536), (8, 2526594), (12, 1684396), (14, 1443768), (16, 1263297), (21, 962512), (24, 842198), (28, 721884), (42, 481256), (43, 470064), (48, 421099), (56, 360942), (84, 240628), (86, 235032), (112, 180471), (129, 156688), (168, 120314), (172, 117516), (258, 78344), (301, 67152), (336, 60157), (344, 58758), (516, 39172), (602, 33576), (688, 29379), (903, 22384), (1032, 19586), (1204, 16788), (1399, 14448), (1806, 11192), (2064, 9793), (2408, 8394), (2798, 7224), (3612, 5596), (4197, 4816)]