20125971292

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{12373}}^1$

素因数の和:12627

約数の個数: 72

約数和(自身を含む): 42144161136

約数和(自身を除く): 22018189844

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 193, 196, 301, 386, 602, 772, 1204, 1351, 2107, 2702, 4214, 5404, 8299, 8428, 9457, 12373, 16598, 18914, 24746, 33196, 37828, 49492, 58093, 86611, 116186, 173222, 232372, 346444, 406651, 532039, 606277, 813302, 1064078, 1212554, 1626604, 2128156, 2387989, 2425108, 3724273, 4775978, 7448546, 9551956, 14897092, 16715923, 26069911, 33431846, 52139822, 66863692, 102683527, 104279644, 117011461, 205367054, 234022922, 410734108, 468045844, 718784689, 1437569378, 2875138756, 5031492823, 10062985646, 20125971292]

約数ペア:

[(1, 20125971292), (2, 10062985646), (4, 5031492823), (7, 2875138756), (14, 1437569378), (28, 718784689), (43, 468045844), (49, 410734108), (86, 234022922), (98, 205367054), (172, 117011461), (193, 104279644), (196, 102683527), (301, 66863692), (386, 52139822), (602, 33431846), (772, 26069911), (1204, 16715923), (1351, 14897092), (2107, 9551956), (2702, 7448546), (4214, 4775978), (5404, 3724273), (8299, 2425108), (8428, 2387989), (9457, 2128156), (12373, 1626604), (16598, 1212554), (18914, 1064078), (24746, 813302), (33196, 606277), (37828, 532039), (49492, 406651), (58093, 346444), (86611, 232372), (116186, 173222)]