20847918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38183}}^1$

素因数の和:38208

約数の個数: 32

約数和(自身を含む): 51319296

約数和(自身を除く): 30471378

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38183, 76366, 114549, 229098, 267281, 496379, 534562, 801843, 992758, 1489137, 1603686, 2978274, 3474653, 6949306, 10423959, 20847918]

約数ペア:

[(1, 20847918), (2, 10423959), (3, 6949306), (6, 3474653), (7, 2978274), (13, 1603686), (14, 1489137), (21, 992758), (26, 801843), (39, 534562), (42, 496379), (78, 267281), (91, 229098), (182, 114549), (273, 76366), (546, 38183)]