20958568708

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{677}}^1$

素因数の和:962

約数の個数: 144

約数和(自身を含む): 47447394624

約数和(自身を除く): 26488825916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 154, 166, 173, 196, 308, 332, 346, 539, 581, 677, 692, 913, 1078, 1162, 1211, 1354, 1826, 1903, 2156, 2324, 2422, 2708, 3652, 3806, 4067, 4739, 4844, 6391, 7447, 7612, 8134, 8477, 9478, 12782, 13321, 14359, 14894, 16268, 16954, 18956, 25564, 26642, 28718, 29788, 33173, 33908, 44737, 52129, 53284, 56191, 57436, 66346, 89474, 93247, 100513, 104258, 112382, 117121, 132692, 157949, 178948, 186494, 201026, 208516, 224764, 234242, 315898, 364903, 372988, 393337, 402052, 468484, 618101, 631796, 703591, 729806, 786674, 819847, 1105643, 1236202, 1288331, 1407182, 1459612, 1573348, 1639694, 2211286, 2472404, 2576662, 2753359, 2814364, 3279388, 4326707, 4422572, 5153324, 5506718, 5738929, 7739501, 8653414, 9018317, 9721043, 11013436, 11477858, 15479002, 17306828, 18036634, 19442086, 22955716, 30286949, 30958004, 36073268, 38884172, 60573898, 63128219, 68047301, 106931473, 121147796, 126256438, 136094602, 213862946, 252512876, 272189204, 427725892, 476331107, 748520311, 952662214, 1497040622, 1905324428, 2994081244, 5239642177, 10479284354, 20958568708]

約数ペア:

[(1, 20958568708), (2, 10479284354), (4, 5239642177), (7, 2994081244), (11, 1905324428), (14, 1497040622), (22, 952662214), (28, 748520311), (44, 476331107), (49, 427725892), (77, 272189204), (83, 252512876), (98, 213862946), (154, 136094602), (166, 126256438), (173, 121147796), (196, 106931473), (308, 68047301), (332, 63128219), (346, 60573898), (539, 38884172), (581, 36073268), (677, 30958004), (692, 30286949), (913, 22955716), (1078, 19442086), (1162, 18036634), (1211, 17306828), (1354, 15479002), (1826, 11477858), (1903, 11013436), (2156, 9721043), (2324, 9018317), (2422, 8653414), (2708, 7739501), (3652, 5738929), (3806, 5506718), (4067, 5153324), (4739, 4422572), (4844, 4326707), (6391, 3279388), (7447, 2814364), (7612, 2753359), (8134, 2576662), (8477, 2472404), (9478, 2211286), (12782, 1639694), (13321, 1573348), (14359, 1459612), (14894, 1407182), (16268, 1288331), (16954, 1236202), (18956, 1105643), (25564, 819847), (26642, 786674), (28718, 729806), (29788, 703591), (33173, 631796), (33908, 618101), (44737, 468484), (52129, 402052), (53284, 393337), (56191, 372988), (57436, 364903), (66346, 315898), (89474, 234242), (93247, 224764), (100513, 208516), (104258, 201026), (112382, 186494), (117121, 178948), (132692, 157949)]