20687535200

素因数分解:

$2^5\times 5^2\times {\mathrm{2207}}^1\times {\mathrm{11717}}^1$

素因数の和:13944

約数の個数: 72

約数和(自身を含む): 50530640832

約数和(自身を除く): 29843105632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 2207, 4414, 8828, 11035, 11717, 17656, 22070, 23434, 35312, 44140, 46868, 55175, 58585, 70624, 88280, 93736, 110350, 117170, 176560, 187472, 220700, 234340, 292925, 353120, 374944, 441400, 468680, 585850, 882800, 937360, 1171700, 1765600, 1874720, 2343400, 4686800, 9373600, 25859419, 51718838, 103437676, 129297095, 206875352, 258594190, 413750704, 517188380, 646485475, 827501408, 1034376760, 1292970950, 2068753520, 2585941900, 4137507040, 5171883800, 10343767600, 20687535200]

約数ペア:

[(1, 20687535200), (2, 10343767600), (4, 5171883800), (5, 4137507040), (8, 2585941900), (10, 2068753520), (16, 1292970950), (20, 1034376760), (25, 827501408), (32, 646485475), (40, 517188380), (50, 413750704), (80, 258594190), (100, 206875352), (160, 129297095), (200, 103437676), (400, 51718838), (800, 25859419), (2207, 9373600), (4414, 4686800), (8828, 2343400), (11035, 1874720), (11717, 1765600), (17656, 1171700), (22070, 937360), (23434, 882800), (35312, 585850), (44140, 468680), (46868, 441400), (55175, 374944), (58585, 353120), (70624, 292925), (88280, 234340), (93736, 220700), (110350, 187472), (117170, 176560)]