20777050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 48211200

約数和(自身を除く): 27434150

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 29, 35, 46, 50, 58, 70, 89, 115, 145, 161, 175, 178, 203, 230, 290, 322, 350, 406, 445, 575, 623, 667, 725, 805, 890, 1015, 1150, 1246, 1334, 1450, 1610, 2030, 2047, 2225, 2581, 3115, 3335, 4025, 4094, 4450, 4669, 5075, 5162, 6230, 6670, 8050, 9338, 10150, 10235, 12905, 14329, 15575, 16675, 18067, 20470, 23345, 25810, 28658, 31150, 33350, 36134, 46690, 51175, 59363, 64525, 71645, 90335, 102350, 116725, 118726, 129050, 143290, 180670, 233450, 296815, 358225, 415541, 451675, 593630, 716450, 831082, 903350, 1484075, 2077705, 2968150, 4155410, 10388525, 20777050]

約数ペア:

[(1, 20777050), (2, 10388525), (5, 4155410), (7, 2968150), (10, 2077705), (14, 1484075), (23, 903350), (25, 831082), (29, 716450), (35, 593630), (46, 451675), (50, 415541), (58, 358225), (70, 296815), (89, 233450), (115, 180670), (145, 143290), (161, 129050), (175, 118726), (178, 116725), (203, 102350), (230, 90335), (290, 71645), (322, 64525), (350, 59363), (406, 51175), (445, 46690), (575, 36134), (623, 33350), (667, 31150), (725, 28658), (805, 25810), (890, 23345), (1015, 20470), (1150, 18067), (1246, 16675), (1334, 15575), (1450, 14329), (1610, 12905), (2030, 10235), (2047, 10150), (2225, 9338), (2581, 8050), (3115, 6670), (3335, 6230), (4025, 5162), (4094, 5075), (4450, 4669)]