20967856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14401}}^1$

素因数の和:14429

約数の個数: 40

約数和(自身を含む): 50003744

約数和(自身を除く): 29035888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14401, 28802, 57604, 100807, 115208, 187213, 201614, 230416, 374426, 403228, 748852, 806456, 1310491, 1497704, 1612912, 2620982, 2995408, 5241964, 10483928, 20967856]

約数ペア:

[(1, 20967856), (2, 10483928), (4, 5241964), (7, 2995408), (8, 2620982), (13, 1612912), (14, 1497704), (16, 1310491), (26, 806456), (28, 748852), (52, 403228), (56, 374426), (91, 230416), (104, 201614), (112, 187213), (182, 115208), (208, 100807), (364, 57604), (728, 28802), (1456, 14401)]