20121263624

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{694987}}^1$

素因数の和:695058

約数の個数: 64

約数和(自身を含む): 48037570560

約数和(自身を除く): 27916306936

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 658, 1034, 1316, 2068, 2632, 3619, 4136, 7238, 14476, 28952, 694987, 1389974, 2779948, 4864909, 5559896, 7644857, 9729818, 15289714, 19459636, 30579428, 32664389, 38919272, 53513999, 61158856, 65328778, 107027998, 130657556, 214055996, 228650723, 261315112, 359308279, 428111992, 457301446, 718616558, 914602892, 1437233116, 1829205784, 2515157953, 2874466232, 5030315906, 10060631812, 20121263624]

約数ペア:

[(1, 20121263624), (2, 10060631812), (4, 5030315906), (7, 2874466232), (8, 2515157953), (11, 1829205784), (14, 1437233116), (22, 914602892), (28, 718616558), (44, 457301446), (47, 428111992), (56, 359308279), (77, 261315112), (88, 228650723), (94, 214055996), (154, 130657556), (188, 107027998), (308, 65328778), (329, 61158856), (376, 53513999), (517, 38919272), (616, 32664389), (658, 30579428), (1034, 19459636), (1316, 15289714), (2068, 9729818), (2632, 7644857), (3619, 5559896), (4136, 4864909), (7238, 2779948), (14476, 1389974), (28952, 694987)]