20178391038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258697321}}^1$

素因数の和:258697339

約数の個数: 16

約数和(自身を含む): 43461150096

約数和(自身を除く): 23282759058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258697321, 517394642, 776091963, 1552183926, 3363065173, 6726130346, 10089195519, 20178391038]

約数ペア:

[(1, 20178391038), (2, 10089195519), (3, 6726130346), (6, 3363065173), (13, 1552183926), (26, 776091963), (39, 517394642), (78, 258697321)]