20837268

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 54800928

約数和(自身を除く): 33963660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 67, 106, 134, 159, 163, 201, 212, 268, 318, 326, 402, 477, 489, 603, 636, 652, 804, 954, 978, 1206, 1467, 1908, 1956, 2412, 2934, 3551, 5868, 7102, 8639, 10653, 10921, 14204, 17278, 21306, 21842, 25917, 31959, 32763, 34556, 42612, 43684, 51834, 63918, 65526, 77751, 98289, 103668, 127836, 131052, 155502, 196578, 311004, 393156, 578813, 1157626, 1736439, 2315252, 3472878, 5209317, 6945756, 10418634, 20837268]

約数ペア:

[(1, 20837268), (2, 10418634), (3, 6945756), (4, 5209317), (6, 3472878), (9, 2315252), (12, 1736439), (18, 1157626), (36, 578813), (53, 393156), (67, 311004), (106, 196578), (134, 155502), (159, 131052), (163, 127836), (201, 103668), (212, 98289), (268, 77751), (318, 65526), (326, 63918), (402, 51834), (477, 43684), (489, 42612), (603, 34556), (636, 32763), (652, 31959), (804, 25917), (954, 21842), (978, 21306), (1206, 17278), (1467, 14204), (1908, 10921), (1956, 10653), (2412, 8639), (2934, 7102), (3551, 5868)]