20512781514

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{887}}^1\times {\mathrm{6089}}^1$

素因数の和:7195

約数の個数: 48

約数和(自身を含む): 44712682560

約数和(自身を除く): 24199901046

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 887, 1266, 1774, 1899, 2661, 3798, 5322, 6089, 7983, 12178, 15966, 18267, 36534, 54801, 109602, 187157, 374314, 561471, 1122942, 1284779, 1684413, 2569558, 3368826, 3854337, 5400943, 7708674, 10801886, 11563011, 16202829, 23126022, 32405658, 48608487, 97216974, 1139598973, 2279197946, 3418796919, 6837593838, 10256390757, 20512781514]

約数ペア:

[(1, 20512781514), (2, 10256390757), (3, 6837593838), (6, 3418796919), (9, 2279197946), (18, 1139598973), (211, 97216974), (422, 48608487), (633, 32405658), (887, 23126022), (1266, 16202829), (1774, 11563011), (1899, 10801886), (2661, 7708674), (3798, 5400943), (5322, 3854337), (6089, 3368826), (7983, 2569558), (12178, 1684413), (15966, 1284779), (18267, 1122942), (36534, 561471), (54801, 374314), (109602, 187157)]