20062840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 52300800

約数和(自身を除く): 32237960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 907, 1106, 1580, 1814, 2212, 2765, 3160, 3628, 4424, 4535, 5530, 6349, 7256, 9070, 11060, 12698, 18140, 22120, 25396, 31745, 36280, 50792, 63490, 71653, 126980, 143306, 253960, 286612, 358265, 501571, 573224, 716530, 1003142, 1433060, 2006284, 2507855, 2866120, 4012568, 5015710, 10031420, 20062840]

約数ペア:

[(1, 20062840), (2, 10031420), (4, 5015710), (5, 4012568), (7, 2866120), (8, 2507855), (10, 2006284), (14, 1433060), (20, 1003142), (28, 716530), (35, 573224), (40, 501571), (56, 358265), (70, 286612), (79, 253960), (140, 143306), (158, 126980), (280, 71653), (316, 63490), (395, 50792), (553, 36280), (632, 31745), (790, 25396), (907, 22120), (1106, 18140), (1580, 12698), (1814, 11060), (2212, 9070), (2765, 7256), (3160, 6349), (3628, 5530), (4424, 4535)]