20169828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{80039}}^1$

素因数の和:80056

約数の個数: 36

約数和(自身を含む): 58269120

約数和(自身を除く): 38099292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 80039, 160078, 240117, 320156, 480234, 560273, 720351, 960468, 1120546, 1440702, 1680819, 2241092, 2881404, 3361638, 5042457, 6723276, 10084914, 20169828]

約数ペア:

[(1, 20169828), (2, 10084914), (3, 6723276), (4, 5042457), (6, 3361638), (7, 2881404), (9, 2241092), (12, 1680819), (14, 1440702), (18, 1120546), (21, 960468), (28, 720351), (36, 560273), (42, 480234), (63, 320156), (84, 240117), (126, 160078), (252, 80039)]