20665429806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{3259}}^1$

素因数の和:3478

約数の個数: 128

約数和(自身を含む): 51105116160

約数和(自身を除く): 30439686354

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 83, 102, 107, 119, 166, 214, 238, 249, 321, 357, 498, 581, 642, 714, 749, 1162, 1411, 1498, 1743, 1819, 2247, 2822, 3259, 3486, 3638, 4233, 4494, 5457, 6518, 8466, 8881, 9777, 9877, 10914, 12733, 17762, 19554, 19754, 22813, 25466, 26643, 29631, 38199, 45626, 53286, 55403, 59262, 62167, 68439, 76398, 110806, 124334, 136878, 150977, 166209, 186501, 270497, 301954, 332418, 348713, 373002, 387821, 452931, 540994, 697426, 775642, 811491, 905862, 1046139, 1056839, 1163463, 1622982, 1893479, 2092278, 2113678, 2326926, 2440991, 3170517, 3786958, 4598449, 4881982, 5680437, 5928121, 6341034, 7322973, 9196898, 11360874, 11856242, 13795347, 14645946, 17784363, 27590694, 28943179, 32189143, 35568726, 41496847, 57886358, 64378286, 82993694, 86829537, 96567429, 124490541, 173659074, 193134858, 202602253, 248981082, 405204506, 492034043, 607806759, 984068086, 1215613518, 1476102129, 2952204258, 3444238301, 6888476602, 10332714903, 20665429806]

約数ペア:

[(1, 20665429806), (2, 10332714903), (3, 6888476602), (6, 3444238301), (7, 2952204258), (14, 1476102129), (17, 1215613518), (21, 984068086), (34, 607806759), (42, 492034043), (51, 405204506), (83, 248981082), (102, 202602253), (107, 193134858), (119, 173659074), (166, 124490541), (214, 96567429), (238, 86829537), (249, 82993694), (321, 64378286), (357, 57886358), (498, 41496847), (581, 35568726), (642, 32189143), (714, 28943179), (749, 27590694), (1162, 17784363), (1411, 14645946), (1498, 13795347), (1743, 11856242), (1819, 11360874), (2247, 9196898), (2822, 7322973), (3259, 6341034), (3486, 5928121), (3638, 5680437), (4233, 4881982), (4494, 4598449), (5457, 3786958), (6518, 3170517), (8466, 2440991), (8881, 2326926), (9777, 2113678), (9877, 2092278), (10914, 1893479), (12733, 1622982), (17762, 1163463), (19554, 1056839), (19754, 1046139), (22813, 905862), (25466, 811491), (26643, 775642), (29631, 697426), (38199, 540994), (45626, 452931), (53286, 387821), (55403, 373002), (59262, 348713), (62167, 332418), (68439, 301954), (76398, 270497), (110806, 186501), (124334, 166209), (136878, 150977)]