20121003056

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{347489}}^1$

素因数の和:347562

約数の個数: 80

約数和(自身を含む): 49638251520

約数和(自身を除く): 29517248464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 47, 56, 77, 88, 94, 112, 154, 176, 188, 308, 329, 376, 517, 616, 658, 752, 1034, 1232, 1316, 2068, 2632, 3619, 4136, 5264, 7238, 8272, 14476, 28952, 57904, 347489, 694978, 1389956, 2432423, 2779912, 3822379, 4864846, 5559824, 7644758, 9729692, 15289516, 16331983, 19459384, 26756653, 30579032, 32663966, 38918768, 53513306, 61158064, 65327932, 107026612, 114323881, 130655864, 179651813, 214053224, 228647762, 261311728, 359303626, 428106448, 457295524, 718607252, 914591048, 1257562691, 1437214504, 1829182096, 2515125382, 2874429008, 5030250764, 10060501528, 20121003056]

約数ペア:

[(1, 20121003056), (2, 10060501528), (4, 5030250764), (7, 2874429008), (8, 2515125382), (11, 1829182096), (14, 1437214504), (16, 1257562691), (22, 914591048), (28, 718607252), (44, 457295524), (47, 428106448), (56, 359303626), (77, 261311728), (88, 228647762), (94, 214053224), (112, 179651813), (154, 130655864), (176, 114323881), (188, 107026612), (308, 65327932), (329, 61158064), (376, 53513306), (517, 38918768), (616, 32663966), (658, 30579032), (752, 26756653), (1034, 19459384), (1232, 16331983), (1316, 15289516), (2068, 9729692), (2632, 7644758), (3619, 5559824), (4136, 4864846), (5264, 3822379), (7238, 2779912), (8272, 2432423), (14476, 1389956), (28952, 694978), (57904, 347489)]