20172934040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1609}}^1\times {\mathrm{44777}}^1$

素因数の和:46404

約数の個数: 64

約数和(自身を含む): 51906657600

約数和(自身を除く): 31733723560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1609, 3218, 6436, 8045, 11263, 12872, 16090, 22526, 32180, 44777, 45052, 56315, 64360, 89554, 90104, 112630, 179108, 223885, 225260, 313439, 358216, 447770, 450520, 626878, 895540, 1253756, 1567195, 1791080, 2507512, 3134390, 6268780, 12537560, 72046193, 144092386, 288184772, 360230965, 504323351, 576369544, 720461930, 1008646702, 1440923860, 2017293404, 2521616755, 2881847720, 4034586808, 5043233510, 10086467020, 20172934040]

約数ペア:

[(1, 20172934040), (2, 10086467020), (4, 5043233510), (5, 4034586808), (7, 2881847720), (8, 2521616755), (10, 2017293404), (14, 1440923860), (20, 1008646702), (28, 720461930), (35, 576369544), (40, 504323351), (56, 360230965), (70, 288184772), (140, 144092386), (280, 72046193), (1609, 12537560), (3218, 6268780), (6436, 3134390), (8045, 2507512), (11263, 1791080), (12872, 1567195), (16090, 1253756), (22526, 895540), (32180, 626878), (44777, 450520), (45052, 447770), (56315, 358216), (64360, 313439), (89554, 225260), (90104, 223885), (112630, 179108)]