20723644578

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{76369}}^1$

素因数の和:76472

約数の個数: 96

約数和(自身を含む): 52654976640

約数和(自身を除く): 31931332062

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 71, 78, 91, 98, 142, 147, 182, 213, 273, 294, 426, 497, 546, 637, 923, 994, 1274, 1491, 1846, 1911, 2769, 2982, 3479, 3822, 5538, 6461, 6958, 10437, 12922, 19383, 20874, 38766, 45227, 76369, 90454, 135681, 152738, 229107, 271362, 458214, 534583, 992797, 1069166, 1603749, 1985594, 2978391, 3207498, 3742081, 5422199, 5956782, 6949579, 7484162, 10844398, 11226243, 13899158, 16266597, 20848737, 22452486, 32533194, 37955393, 41697474, 48647053, 70488587, 75910786, 97294106, 113866179, 140977174, 145941159, 211465761, 227732358, 265687751, 291882318, 422931522, 493420109, 531375502, 797063253, 986840218, 1480260327, 1594126506, 2960520654, 3453940763, 6907881526, 10361822289, 20723644578]

約数ペア:

[(1, 20723644578), (2, 10361822289), (3, 6907881526), (6, 3453940763), (7, 2960520654), (13, 1594126506), (14, 1480260327), (21, 986840218), (26, 797063253), (39, 531375502), (42, 493420109), (49, 422931522), (71, 291882318), (78, 265687751), (91, 227732358), (98, 211465761), (142, 145941159), (147, 140977174), (182, 113866179), (213, 97294106), (273, 75910786), (294, 70488587), (426, 48647053), (497, 41697474), (546, 37955393), (637, 32533194), (923, 22452486), (994, 20848737), (1274, 16266597), (1491, 13899158), (1846, 11226243), (1911, 10844398), (2769, 7484162), (2982, 6949579), (3479, 5956782), (3822, 5422199), (5538, 3742081), (6461, 3207498), (6958, 2978391), (10437, 1985594), (12922, 1603749), (19383, 1069166), (20874, 992797), (38766, 534583), (45227, 458214), (76369, 271362), (90454, 229107), (135681, 152738)]