20158482955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{344207}}^1$

素因数の和:344295

約数の個数: 32

約数和(自身を含む): 28103894784

約数和(自身を除く): 7945411829

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 265, 689, 901, 1105, 3445, 4505, 11713, 58565, 344207, 1721035, 4474691, 5851519, 18242971, 22373455, 29257595, 76069747, 91214855, 237158623, 310130507, 380348735, 1185793115, 1550652535, 4031696591, 20158482955]

約数ペア:

[(1, 20158482955), (5, 4031696591), (13, 1550652535), (17, 1185793115), (53, 380348735), (65, 310130507), (85, 237158623), (221, 91214855), (265, 76069747), (689, 29257595), (901, 22373455), (1105, 18242971), (3445, 5851519), (4505, 4474691), (11713, 1721035), (58565, 344207)]