20167025725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{37019}}^1$

素因数の和:37330

約数の個数: 48

約数和(自身を含む): 31288711680

約数和(自身を除く): 11121685955

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 283, 385, 1415, 1925, 1981, 3113, 7075, 9905, 15565, 21791, 37019, 49525, 77825, 108955, 185095, 259133, 407209, 544775, 925475, 1295665, 2036045, 2850463, 6478325, 10180225, 10476377, 14252315, 52381885, 71261575, 73334639, 115240147, 261909425, 366673195, 576200735, 806681029, 1833365975, 2881003675, 4033405145, 20167025725]

約数ペア:

[(1, 20167025725), (5, 4033405145), (7, 2881003675), (11, 1833365975), (25, 806681029), (35, 576200735), (55, 366673195), (77, 261909425), (175, 115240147), (275, 73334639), (283, 71261575), (385, 52381885), (1415, 14252315), (1925, 10476377), (1981, 10180225), (3113, 6478325), (7075, 2850463), (9905, 2036045), (15565, 1295665), (21791, 925475), (37019, 544775), (49525, 407209), (77825, 259133), (108955, 185095)]