20543806276

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1\times {\mathrm{12821}}^1$

素因数の和:13564

約数の個数: 48

約数和(自身を含む): 41617134720

約数和(自身を除く): 21073328444

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 643, 1246, 1286, 2492, 2572, 4501, 9002, 12821, 18004, 25642, 51284, 57227, 89747, 114454, 179494, 228908, 358988, 400589, 801178, 1141069, 1602356, 2282138, 4564276, 7987483, 8243903, 15974966, 16487806, 31949932, 32975612, 57707321, 115414642, 230829284, 733707367, 1467414734, 2934829468, 5135951569, 10271903138, 20543806276]

約数ペア:

[(1, 20543806276), (2, 10271903138), (4, 5135951569), (7, 2934829468), (14, 1467414734), (28, 733707367), (89, 230829284), (178, 115414642), (356, 57707321), (623, 32975612), (643, 31949932), (1246, 16487806), (1286, 15974966), (2492, 8243903), (2572, 7987483), (4501, 4564276), (9002, 2282138), (12821, 1602356), (18004, 1141069), (25642, 801178), (51284, 400589), (57227, 358988), (89747, 228908), (114454, 179494)]