20178943386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{1787}}^1$

素因数の和:2028

約数の個数: 128

約数和(自身を含む): 48775495680

約数和(自身を除く): 28596552294

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 73, 87, 127, 146, 174, 203, 219, 254, 381, 406, 438, 511, 609, 762, 889, 1022, 1218, 1533, 1778, 1787, 2117, 2667, 3066, 3574, 3683, 4234, 5334, 5361, 6351, 7366, 9271, 10722, 11049, 12509, 12702, 14819, 18542, 22098, 25018, 25781, 27813, 29638, 37527, 44457, 51562, 51823, 55626, 64897, 75054, 77343, 88914, 103646, 129794, 130451, 154686, 155469, 194691, 226949, 260902, 268859, 310938, 362761, 389382, 391353, 453898, 537718, 680847, 725522, 782706, 806577, 913157, 1088283, 1361694, 1588643, 1613154, 1826314, 1882013, 2176566, 2739471, 3177286, 3764026, 3783079, 4765929, 5478942, 5646039, 6581521, 7566158, 9531858, 11292078, 11349237, 13163042, 16567277, 19744563, 22698474, 26481553, 33134554, 39489126, 46070647, 49701831, 52963106, 79444659, 92141294, 99403662, 115970939, 138211941, 158889318, 231941878, 276423882, 347912817, 480451033, 695825634, 960902066, 1441353099, 2882706198, 3363157231, 6726314462, 10089471693, 20178943386]

約数ペア:

[(1, 20178943386), (2, 10089471693), (3, 6726314462), (6, 3363157231), (7, 2882706198), (14, 1441353099), (21, 960902066), (29, 695825634), (42, 480451033), (58, 347912817), (73, 276423882), (87, 231941878), (127, 158889318), (146, 138211941), (174, 115970939), (203, 99403662), (219, 92141294), (254, 79444659), (381, 52963106), (406, 49701831), (438, 46070647), (511, 39489126), (609, 33134554), (762, 26481553), (889, 22698474), (1022, 19744563), (1218, 16567277), (1533, 13163042), (1778, 11349237), (1787, 11292078), (2117, 9531858), (2667, 7566158), (3066, 6581521), (3574, 5646039), (3683, 5478942), (4234, 4765929), (5334, 3783079), (5361, 3764026), (6351, 3177286), (7366, 2739471), (9271, 2176566), (10722, 1882013), (11049, 1826314), (12509, 1613154), (12702, 1588643), (14819, 1361694), (18542, 1088283), (22098, 913157), (25018, 806577), (25781, 782706), (27813, 725522), (29638, 680847), (37527, 537718), (44457, 453898), (51562, 391353), (51823, 389382), (55626, 362761), (64897, 310938), (75054, 268859), (77343, 260902), (88914, 226949), (103646, 194691), (129794, 155469), (130451, 154686)]