20123352485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1\times {\mathrm{2593}}^1$

素因数の和:3309

約数の個数: 32

約数和(自身を含む): 25644491520

約数和(自身を除く): 5521139035

約数列:

[1, 5, 19, 95, 151, 541, 755, 2593, 2705, 2869, 10279, 12965, 14345, 49267, 51395, 81691, 246335, 391543, 408455, 1402813, 1552129, 1957715, 7014065, 7439317, 7760645, 26653447, 37196585, 133267235, 211824763, 1059123815, 4024670497, 20123352485]

約数ペア:

[(1, 20123352485), (5, 4024670497), (19, 1059123815), (95, 211824763), (151, 133267235), (541, 37196585), (755, 26653447), (2593, 7760645), (2705, 7439317), (2869, 7014065), (10279, 1957715), (12965, 1552129), (14345, 1402813), (49267, 408455), (51395, 391543), (81691, 246335)]