20074530280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{805559}}^1$

素因数の和:805666

約数の個数: 64

約数和(自身を含む): 52200288000

約数和(自身を除く): 32125757720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12460, 24920, 805559, 1611118, 3222236, 4027795, 5638913, 6444472, 8055590, 11277826, 16111180, 22555652, 28194565, 32222360, 45111304, 56389130, 71694751, 112778260, 143389502, 225556520, 286779004, 358473755, 501863257, 573558008, 716947510, 1003726514, 1433895020, 2007453028, 2509316285, 2867790040, 4014906056, 5018632570, 10037265140, 20074530280]

約数ペア:

[(1, 20074530280), (2, 10037265140), (4, 5018632570), (5, 4014906056), (7, 2867790040), (8, 2509316285), (10, 2007453028), (14, 1433895020), (20, 1003726514), (28, 716947510), (35, 573558008), (40, 501863257), (56, 358473755), (70, 286779004), (89, 225556520), (140, 143389502), (178, 112778260), (280, 71694751), (356, 56389130), (445, 45111304), (623, 32222360), (712, 28194565), (890, 22555652), (1246, 16111180), (1780, 11277826), (2492, 8055590), (3115, 6444472), (3560, 5638913), (4984, 4027795), (6230, 3222236), (12460, 1611118), (24920, 805559)]