20457682

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15830318

約数列:

[1, 2, 7, 14, 53, 79, 106, 158, 349, 371, 553, 698, 742, 1106, 2443, 4187, 4886, 8374, 18497, 27571, 29309, 36994, 55142, 58618, 129479, 192997, 258958, 385994, 1461263, 2922526, 10228841, 20457682]

約数ペア:

[(1, 20457682), (2, 10228841), (7, 2922526), (14, 1461263), (53, 385994), (79, 258958), (106, 192997), (158, 129479), (349, 58618), (371, 55142), (553, 36994), (698, 29309), (742, 27571), (1106, 18497), (2443, 8374), (4187, 4886)]