20050792672

素因数分解:

$2^5\times {\mathrm{43}}^2\times {\mathrm{349}}^1\times {\mathrm{971}}^1$

素因数の和:1416

約数の個数: 72

約数和(自身を含む): 40571911800

約数和(自身を除く): 20521119128

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 349, 688, 698, 971, 1376, 1396, 1849, 1942, 2792, 3698, 3884, 5584, 7396, 7768, 11168, 14792, 15007, 15536, 29584, 30014, 31072, 41753, 59168, 60028, 83506, 120056, 167012, 240112, 334024, 338879, 480224, 645301, 668048, 677758, 1290602, 1336096, 1355516, 1795379, 2581204, 2711032, 3590758, 5162408, 5422064, 7181516, 10324816, 10844128, 14363032, 14571797, 20649632, 28726064, 29143594, 57452128, 58287188, 116574376, 233148752, 466297504, 626587271, 1253174542, 2506349084, 5012698168, 10025396336, 20050792672]

約数ペア:

[(1, 20050792672), (2, 10025396336), (4, 5012698168), (8, 2506349084), (16, 1253174542), (32, 626587271), (43, 466297504), (86, 233148752), (172, 116574376), (344, 58287188), (349, 57452128), (688, 29143594), (698, 28726064), (971, 20649632), (1376, 14571797), (1396, 14363032), (1849, 10844128), (1942, 10324816), (2792, 7181516), (3698, 5422064), (3884, 5162408), (5584, 3590758), (7396, 2711032), (7768, 2581204), (11168, 1795379), (14792, 1355516), (15007, 1336096), (15536, 1290602), (29584, 677758), (30014, 668048), (31072, 645301), (41753, 480224), (59168, 338879), (60028, 334024), (83506, 240112), (120056, 167012)]