20877864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{823}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 60119040

約数和(自身を除く): 39241176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 151, 168, 302, 453, 604, 823, 906, 1057, 1208, 1646, 1812, 2114, 2469, 3171, 3292, 3624, 4228, 4938, 5761, 6342, 6584, 8456, 9876, 11522, 12684, 17283, 19752, 23044, 25368, 34566, 46088, 69132, 124273, 138264, 248546, 372819, 497092, 745638, 869911, 994184, 1491276, 1739822, 2609733, 2982552, 3479644, 5219466, 6959288, 10438932, 20877864]

約数ペア:

[(1, 20877864), (2, 10438932), (3, 6959288), (4, 5219466), (6, 3479644), (7, 2982552), (8, 2609733), (12, 1739822), (14, 1491276), (21, 994184), (24, 869911), (28, 745638), (42, 497092), (56, 372819), (84, 248546), (151, 138264), (168, 124273), (302, 69132), (453, 46088), (604, 34566), (823, 25368), (906, 23044), (1057, 19752), (1208, 17283), (1646, 12684), (1812, 11522), (2114, 9876), (2469, 8456), (3171, 6584), (3292, 6342), (3624, 5761), (4228, 4938)]