19965120

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{2971}}^1$

素因数の和:2998

約数の個数: 112

約数和(自身を含む): 72469248

約数和(自身を除く): 52504128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 2971, 3360, 5942, 6720, 8913, 11884, 14855, 17826, 20797, 23768, 29710, 35652, 41594, 44565, 47536, 59420, 62391, 71304, 83188, 89130, 95072, 103985, 118840, 124782, 142608, 166376, 178260, 190144, 207970, 237680, 249564, 285216, 311955, 332752, 356520, 415940, 475360, 499128, 570432, 623910, 665504, 713040, 831880, 950720, 998256, 1247820, 1331008, 1426080, 1663760, 1996512, 2495640, 2852160, 3327520, 3993024, 4991280, 6655040, 9982560, 19965120]

約数ペア:

[(1, 19965120), (2, 9982560), (3, 6655040), (4, 4991280), (5, 3993024), (6, 3327520), (7, 2852160), (8, 2495640), (10, 1996512), (12, 1663760), (14, 1426080), (15, 1331008), (16, 1247820), (20, 998256), (21, 950720), (24, 831880), (28, 713040), (30, 665504), (32, 623910), (35, 570432), (40, 499128), (42, 475360), (48, 415940), (56, 356520), (60, 332752), (64, 311955), (70, 285216), (80, 249564), (84, 237680), (96, 207970), (105, 190144), (112, 178260), (120, 166376), (140, 142608), (160, 124782), (168, 118840), (192, 103985), (210, 95072), (224, 89130), (240, 83188), (280, 71304), (320, 62391), (336, 59420), (420, 47536), (448, 44565), (480, 41594), (560, 35652), (672, 29710), (840, 23768), (960, 20797), (1120, 17826), (1344, 14855), (1680, 11884), (2240, 8913), (2971, 6720), (3360, 5942)]