20538726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4463}}^1$

素因数の和:4540

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 24458394

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 177, 354, 767, 1534, 2301, 4463, 4602, 8926, 13389, 26778, 58019, 116038, 174057, 263317, 348114, 526634, 789951, 1579902, 3423121, 6846242, 10269363, 20538726]

約数ペア:

[(1, 20538726), (2, 10269363), (3, 6846242), (6, 3423121), (13, 1579902), (26, 789951), (39, 526634), (59, 348114), (78, 263317), (118, 174057), (177, 116038), (354, 58019), (767, 26778), (1534, 13389), (2301, 8926), (4463, 4602)]