20986188636

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1878463}}^1$

素因数の和:1878503

約数の個数: 72

約数和(自身を含む): 59960570880

約数和(自身を除く): 38974382244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 1878463, 3756926, 5635389, 7513852, 11270778, 13149241, 22541556, 26298482, 35690797, 39447723, 52596964, 71381594, 78895446, 92044687, 107072391, 142763188, 157790892, 184089374, 214144782, 249835579, 276134061, 368178748, 428289564, 499671158, 552268122, 749506737, 999342316, 1104536244, 1499013474, 1748849053, 2998026948, 3497698106, 5246547159, 6995396212, 10493094318, 20986188636]

約数ペア:

[(1, 20986188636), (2, 10493094318), (3, 6995396212), (4, 5246547159), (6, 3497698106), (7, 2998026948), (12, 1748849053), (14, 1499013474), (19, 1104536244), (21, 999342316), (28, 749506737), (38, 552268122), (42, 499671158), (49, 428289564), (57, 368178748), (76, 276134061), (84, 249835579), (98, 214144782), (114, 184089374), (133, 157790892), (147, 142763188), (196, 107072391), (228, 92044687), (266, 78895446), (294, 71381594), (399, 52596964), (532, 39447723), (588, 35690797), (798, 26298482), (931, 22541556), (1596, 13149241), (1862, 11270778), (2793, 7513852), (3724, 5635389), (5586, 3756926), (11172, 1878463)]