20053628

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 41664000

約数和(自身を除く): 21610372

約数列:

[1, 2, 4, 7, 14, 28, 59, 61, 118, 122, 199, 236, 244, 398, 413, 427, 796, 826, 854, 1393, 1652, 1708, 2786, 3599, 5572, 7198, 11741, 12139, 14396, 23482, 24278, 25193, 46964, 48556, 50386, 82187, 84973, 100772, 164374, 169946, 328748, 339892, 716201, 1432402, 2864804, 5013407, 10026814, 20053628]

約数ペア:

[(1, 20053628), (2, 10026814), (4, 5013407), (7, 2864804), (14, 1432402), (28, 716201), (59, 339892), (61, 328748), (118, 169946), (122, 164374), (199, 100772), (236, 84973), (244, 82187), (398, 50386), (413, 48556), (427, 46964), (796, 25193), (826, 24278), (854, 23482), (1393, 14396), (1652, 12139), (1708, 11741), (2786, 7198), (3599, 5572)]