20476080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28439}}^1$

素因数の和:28458

約数の個数: 60

約数和(自身を含む): 68767920

約数和(自身を除く): 48291840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28439, 56878, 85317, 113756, 142195, 170634, 227512, 255951, 284390, 341268, 426585, 455024, 511902, 568780, 682536, 853170, 1023804, 1137560, 1279755, 1365072, 1706340, 2047608, 2275120, 2559510, 3412680, 4095216, 5119020, 6825360, 10238040, 20476080]

約数ペア:

[(1, 20476080), (2, 10238040), (3, 6825360), (4, 5119020), (5, 4095216), (6, 3412680), (8, 2559510), (9, 2275120), (10, 2047608), (12, 1706340), (15, 1365072), (16, 1279755), (18, 1137560), (20, 1023804), (24, 853170), (30, 682536), (36, 568780), (40, 511902), (45, 455024), (48, 426585), (60, 341268), (72, 284390), (80, 255951), (90, 227512), (120, 170634), (144, 142195), (180, 113756), (240, 85317), (360, 56878), (720, 28439)]