20139798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 49586688

約数和(自身を除く): 29446890

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 67, 102, 119, 134, 201, 238, 357, 402, 421, 469, 714, 842, 938, 1139, 1263, 1407, 2278, 2526, 2814, 2947, 3417, 5894, 6834, 7157, 7973, 8841, 14314, 15946, 17682, 21471, 23919, 28207, 42942, 47838, 50099, 56414, 84621, 100198, 150297, 169242, 197449, 300594, 394898, 479519, 592347, 959038, 1184694, 1438557, 2877114, 3356633, 6713266, 10069899, 20139798]

約数ペア:

[(1, 20139798), (2, 10069899), (3, 6713266), (6, 3356633), (7, 2877114), (14, 1438557), (17, 1184694), (21, 959038), (34, 592347), (42, 479519), (51, 394898), (67, 300594), (102, 197449), (119, 169242), (134, 150297), (201, 100198), (238, 84621), (357, 56414), (402, 50099), (421, 47838), (469, 42942), (714, 28207), (842, 23919), (938, 21471), (1139, 17682), (1263, 15946), (1407, 14314), (2278, 8841), (2526, 7973), (2814, 7157), (2947, 6834), (3417, 5894)]