20198060876

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{356579}}^1$

素因数の和:356631

約数の個数: 54

約数和(自身を含む): 43678553940

約数和(自身を除く): 23480493064

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 289, 476, 578, 833, 1156, 1666, 2023, 3332, 4046, 8092, 14161, 28322, 56644, 356579, 713158, 1426316, 2496053, 4992106, 6061843, 9984212, 12123686, 17472371, 24247372, 34944742, 42432901, 69889484, 84865802, 103051331, 169731604, 206102662, 297030307, 412205324, 594060614, 721359317, 1188121228, 1442718634, 2885437268, 5049515219, 10099030438, 20198060876]

約数ペア:

[(1, 20198060876), (2, 10099030438), (4, 5049515219), (7, 2885437268), (14, 1442718634), (17, 1188121228), (28, 721359317), (34, 594060614), (49, 412205324), (68, 297030307), (98, 206102662), (119, 169731604), (196, 103051331), (238, 84865802), (289, 69889484), (476, 42432901), (578, 34944742), (833, 24247372), (1156, 17472371), (1666, 12123686), (2023, 9984212), (3332, 6061843), (4046, 4992106), (8092, 2496053), (14161, 1426316), (28322, 713158), (56644, 356579)]