20119099784

素因数分解:

$2^3\times 7^1\times {\mathrm{379}}^1\times {\mathrm{479}}^1\times {\mathrm{1979}}^1$

素因数の和:2850

約数の個数: 64

約数和(自身を含む): 43338240000

約数和(自身を除く): 23219140216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 379, 479, 758, 958, 1516, 1916, 1979, 2653, 3032, 3353, 3832, 3958, 5306, 6706, 7916, 10612, 13412, 13853, 15832, 21224, 26824, 27706, 55412, 110824, 181541, 363082, 726164, 750041, 947941, 1270787, 1452328, 1500082, 1895882, 2541574, 3000164, 3791764, 5083148, 5250287, 6000328, 6635587, 7583528, 10166296, 10500574, 13271174, 21001148, 26542348, 42002296, 53084696, 359269639, 718539278, 1437078556, 2514887473, 2874157112, 5029774946, 10059549892, 20119099784]

約数ペア:

[(1, 20119099784), (2, 10059549892), (4, 5029774946), (7, 2874157112), (8, 2514887473), (14, 1437078556), (28, 718539278), (56, 359269639), (379, 53084696), (479, 42002296), (758, 26542348), (958, 21001148), (1516, 13271174), (1916, 10500574), (1979, 10166296), (2653, 7583528), (3032, 6635587), (3353, 6000328), (3832, 5250287), (3958, 5083148), (5306, 3791764), (6706, 3000164), (7916, 2541574), (10612, 1895882), (13412, 1500082), (13853, 1452328), (15832, 1270787), (21224, 947941), (26824, 750041), (27706, 726164), (55412, 363082), (110824, 181541)]