20177275496

素因数分解:

$2^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{521}}^1\times {\mathrm{1993}}^1$

素因数の和:2874

約数の個数: 64

約数和(自身を含む): 43466647680

約数和(自身を除く): 23289372184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 347, 521, 694, 1042, 1388, 1993, 2084, 2429, 2776, 3647, 3986, 4168, 4858, 7294, 7972, 9716, 13951, 14588, 15944, 19432, 27902, 29176, 55804, 111608, 180787, 361574, 691571, 723148, 1038353, 1265509, 1383142, 1446296, 2076706, 2531018, 2766284, 4153412, 4840997, 5062036, 5532568, 7268471, 8306824, 9681994, 10124072, 14536942, 19363988, 29073884, 38727976, 58147768, 360308491, 720616982, 1441233964, 2522159437, 2882467928, 5044318874, 10088637748, 20177275496]

約数ペア:

[(1, 20177275496), (2, 10088637748), (4, 5044318874), (7, 2882467928), (8, 2522159437), (14, 1441233964), (28, 720616982), (56, 360308491), (347, 58147768), (521, 38727976), (694, 29073884), (1042, 19363988), (1388, 14536942), (1993, 10124072), (2084, 9681994), (2429, 8306824), (2776, 7268471), (3647, 5532568), (3986, 5062036), (4168, 4840997), (4858, 4153412), (7294, 2766284), (7972, 2531018), (9716, 2076706), (13951, 1446296), (14588, 1383142), (15944, 1265509), (19432, 1038353), (27902, 723148), (29176, 691571), (55804, 361574), (111608, 180787)]