16905420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13417}}^1$

素因数の和:13439

約数の個数: 72

約数和(自身を含む): 58609824

約数和(自身を除く): 41704404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 13417, 26834, 40251, 53668, 67085, 80502, 93919, 120753, 134170, 161004, 187838, 201255, 241506, 268340, 281757, 375676, 402510, 469595, 483012, 563514, 603765, 805020, 845271, 939190, 1127028, 1207530, 1408785, 1690542, 1878380, 2415060, 2817570, 3381084, 4226355, 5635140, 8452710, 16905420]

約数ペア:

[(1, 16905420), (2, 8452710), (3, 5635140), (4, 4226355), (5, 3381084), (6, 2817570), (7, 2415060), (9, 1878380), (10, 1690542), (12, 1408785), (14, 1207530), (15, 1127028), (18, 939190), (20, 845271), (21, 805020), (28, 603765), (30, 563514), (35, 483012), (36, 469595), (42, 402510), (45, 375676), (60, 281757), (63, 268340), (70, 241506), (84, 201255), (90, 187838), (105, 161004), (126, 134170), (140, 120753), (180, 93919), (210, 80502), (252, 67085), (315, 53668), (420, 40251), (630, 26834), (1260, 13417)]