20153203756

素因数分解:

$2^2\times 7^1\times {\mathrm{10303}}^1\times {\mathrm{69859}}^1$

素因数の和:80173

約数の個数: 24

約数和(自身を含む): 40310896640

約数和(自身を除く): 20157692884

約数列:

[1, 2, 4, 7, 14, 28, 10303, 20606, 41212, 69859, 72121, 139718, 144242, 279436, 288484, 489013, 978026, 1956052, 719757277, 1439514554, 2879029108, 5038300939, 10076601878, 20153203756]

約数ペア:

[(1, 20153203756), (2, 10076601878), (4, 5038300939), (7, 2879029108), (14, 1439514554), (28, 719757277), (10303, 1956052), (20606, 978026), (41212, 489013), (69859, 288484), (72121, 279436), (139718, 144242)]