20131510371

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1\times {\mathrm{7573}}^1$

素因数の和:8915

約数の個数: 32

約数和(自身を含む): 31003714560

約数和(自身を除く): 10872204189

約数列:

[1, 3, 7, 21, 103, 309, 721, 1229, 2163, 3687, 7573, 8603, 22719, 25809, 53011, 126587, 159033, 379761, 780019, 886109, 2340057, 2658327, 5460133, 9307217, 16380399, 27921651, 65150519, 195451557, 958643351, 2875930053, 6710503457, 20131510371]

約数ペア:

[(1, 20131510371), (3, 6710503457), (7, 2875930053), (21, 958643351), (103, 195451557), (309, 65150519), (721, 27921651), (1229, 16380399), (2163, 9307217), (3687, 5460133), (7573, 2658327), (8603, 2340057), (22719, 886109), (25809, 780019), (53011, 379761), (126587, 159033)]