20382376

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 46080000

約数和(自身を除く): 25697624

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 59, 62, 118, 124, 199, 217, 236, 248, 398, 413, 434, 472, 796, 826, 868, 1393, 1592, 1652, 1736, 1829, 2786, 3304, 3658, 5572, 6169, 7316, 11144, 11741, 12338, 12803, 14632, 23482, 24676, 25606, 43183, 46964, 49352, 51212, 82187, 86366, 93928, 102424, 164374, 172732, 328748, 345464, 363971, 657496, 727942, 1455884, 2547797, 2911768, 5095594, 10191188, 20382376]

約数ペア:

[(1, 20382376), (2, 10191188), (4, 5095594), (7, 2911768), (8, 2547797), (14, 1455884), (28, 727942), (31, 657496), (56, 363971), (59, 345464), (62, 328748), (118, 172732), (124, 164374), (199, 102424), (217, 93928), (236, 86366), (248, 82187), (398, 51212), (413, 49352), (434, 46964), (472, 43183), (796, 25606), (826, 24676), (868, 23482), (1393, 14632), (1592, 12803), (1652, 12338), (1736, 11741), (1829, 11144), (2786, 7316), (3304, 6169), (3658, 5572)]