20067572

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 42954240

約数和(自身を除く): 22886668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 563, 938, 1126, 1273, 1876, 2252, 2546, 3941, 5092, 7882, 8911, 10697, 15764, 17822, 21394, 35644, 37721, 42788, 74879, 75442, 149758, 150884, 264047, 299516, 528094, 716699, 1056188, 1433398, 2866796, 5016893, 10033786, 20067572]

約数ペア:

[(1, 20067572), (2, 10033786), (4, 5016893), (7, 2866796), (14, 1433398), (19, 1056188), (28, 716699), (38, 528094), (67, 299516), (76, 264047), (133, 150884), (134, 149758), (266, 75442), (268, 74879), (469, 42788), (532, 37721), (563, 35644), (938, 21394), (1126, 17822), (1273, 15764), (1876, 10697), (2252, 8911), (2546, 7882), (3941, 5092)]