20178036

素因数分解:

$2^2\times 3^2\times {\mathrm{560501}}^1$

素因数の和:560511

約数の個数: 18

約数和(自身を含む): 51005682

約数和(自身を除く): 30827646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560501, 1121002, 1681503, 2242004, 3363006, 5044509, 6726012, 10089018, 20178036]

約数ペア:

[(1, 20178036), (2, 10089018), (3, 6726012), (4, 5044509), (6, 3363006), (9, 2242004), (12, 1681503), (18, 1121002), (36, 560501)]