20937200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3079}}^1$

素因数の和:3114

約数の個数: 60

約数和(自身を含む): 53277840

約数和(自身を除く): 32340640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3079, 3400, 6158, 6800, 12316, 15395, 24632, 30790, 49264, 52343, 61580, 76975, 104686, 123160, 153950, 209372, 246320, 261715, 307900, 418744, 523430, 615800, 837488, 1046860, 1231600, 1308575, 2093720, 2617150, 4187440, 5234300, 10468600, 20937200]

約数ペア:

[(1, 20937200), (2, 10468600), (4, 5234300), (5, 4187440), (8, 2617150), (10, 2093720), (16, 1308575), (17, 1231600), (20, 1046860), (25, 837488), (34, 615800), (40, 523430), (50, 418744), (68, 307900), (80, 261715), (85, 246320), (100, 209372), (136, 153950), (170, 123160), (200, 104686), (272, 76975), (340, 61580), (400, 52343), (425, 49264), (680, 30790), (850, 24632), (1360, 15395), (1700, 12316), (3079, 6800), (3400, 6158)]