20149284008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{47701}}^1$

素因数の和:48130

約数の個数: 64

約数和(自身を含む): 45564950400

約数和(自身を除く): 25415666392

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 397, 532, 794, 1064, 1588, 2779, 3176, 5558, 7543, 11116, 15086, 22232, 30172, 47701, 52801, 60344, 95402, 105602, 190804, 211204, 333907, 381608, 422408, 667814, 906319, 1335628, 1812638, 2671256, 3625276, 6344233, 7250552, 12688466, 18937297, 25376932, 37874594, 50753864, 75749188, 132561079, 151498376, 265122158, 359808643, 530244316, 719617286, 1060488632, 1439234572, 2518660501, 2878469144, 5037321002, 10074642004, 20149284008]

約数ペア:

[(1, 20149284008), (2, 10074642004), (4, 5037321002), (7, 2878469144), (8, 2518660501), (14, 1439234572), (19, 1060488632), (28, 719617286), (38, 530244316), (56, 359808643), (76, 265122158), (133, 151498376), (152, 132561079), (266, 75749188), (397, 50753864), (532, 37874594), (794, 25376932), (1064, 18937297), (1588, 12688466), (2779, 7250552), (3176, 6344233), (5558, 3625276), (7543, 2671256), (11116, 1812638), (15086, 1335628), (22232, 906319), (30172, 667814), (47701, 422408), (52801, 381608), (60344, 333907), (95402, 211204), (105602, 190804)]