20572212

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3923}}^1$

素因数の和:3972

約数の個数: 48

約数和(自身を含む): 52738560

約数和(自身を除く): 32166348

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 3923, 5244, 7846, 11769, 15692, 23538, 47076, 74537, 90229, 149074, 180458, 223611, 270687, 298148, 360916, 447222, 541374, 894444, 1082748, 1714351, 3428702, 5143053, 6857404, 10286106, 20572212]

約数ペア:

[(1, 20572212), (2, 10286106), (3, 6857404), (4, 5143053), (6, 3428702), (12, 1714351), (19, 1082748), (23, 894444), (38, 541374), (46, 447222), (57, 360916), (69, 298148), (76, 270687), (92, 223611), (114, 180458), (138, 149074), (228, 90229), (276, 74537), (437, 47076), (874, 23538), (1311, 15692), (1748, 11769), (2622, 7846), (3923, 5244)]