20239520912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1\times {\mathrm{3019}}^1$

素因数の和:3400

約数の個数: 80

約数和(自身を含む): 42717682560

約数和(自身を除く): 22478161648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 193, 208, 334, 386, 668, 772, 1336, 1544, 2171, 2509, 2672, 3019, 3088, 4342, 5018, 6038, 8684, 10036, 12076, 17368, 20072, 24152, 32231, 34736, 39247, 40144, 48304, 64462, 78494, 128924, 156988, 257848, 313976, 419003, 504173, 515696, 582667, 627952, 838006, 1008346, 1165334, 1676012, 2016692, 2330668, 3352024, 4033384, 4661336, 6554249, 6704048, 7574671, 8066768, 9322672, 13108498, 15149342, 26216996, 30298684, 52433992, 60597368, 97305389, 104867984, 121194736, 194610778, 389221556, 778443112, 1264970057, 1556886224, 2529940114, 5059880228, 10119760456, 20239520912]

約数ペア:

[(1, 20239520912), (2, 10119760456), (4, 5059880228), (8, 2529940114), (13, 1556886224), (16, 1264970057), (26, 778443112), (52, 389221556), (104, 194610778), (167, 121194736), (193, 104867984), (208, 97305389), (334, 60597368), (386, 52433992), (668, 30298684), (772, 26216996), (1336, 15149342), (1544, 13108498), (2171, 9322672), (2509, 8066768), (2672, 7574671), (3019, 6704048), (3088, 6554249), (4342, 4661336), (5018, 4033384), (6038, 3352024), (8684, 2330668), (10036, 2016692), (12076, 1676012), (17368, 1165334), (20072, 1008346), (24152, 838006), (32231, 627952), (34736, 582667), (39247, 515696), (40144, 504173), (48304, 419003), (64462, 313976), (78494, 257848), (128924, 156988)]