20087530

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 17143958

約数列:

[1, 2, 5, 10, 53, 106, 151, 251, 265, 302, 502, 530, 755, 1255, 1510, 2510, 8003, 13303, 16006, 26606, 37901, 40015, 66515, 75802, 80030, 133030, 189505, 379010, 2008753, 4017506, 10043765, 20087530]

約数ペア:

[(1, 20087530), (2, 10043765), (5, 4017506), (10, 2008753), (53, 379010), (106, 189505), (151, 133030), (251, 80030), (265, 75802), (302, 66515), (502, 40015), (530, 37901), (755, 26606), (1255, 16006), (1510, 13303), (2510, 8003)]