20138838

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{42487}}^1$

素因数の和:42571

約数の個数: 16

約数和(自身を含む): 40788480

約数和(自身を除く): 20649642

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 42487, 84974, 127461, 254922, 3356473, 6712946, 10069419, 20138838]

約数ペア:

[(1, 20138838), (2, 10069419), (3, 6712946), (6, 3356473), (79, 254922), (158, 127461), (237, 84974), (474, 42487)]