20808280612

素因数分解:

$2^2\times 7^2\times {\mathrm{1429}}^1\times {\mathrm{74293}}^1$

素因数の和:75740

約数の個数: 36

約数和(自身を含む): 42389927580

約数和(自身を除く): 21581646968

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1429, 2858, 5716, 10003, 20006, 40012, 70021, 74293, 140042, 148586, 280084, 297172, 520051, 1040102, 2080204, 3640357, 7280714, 14561428, 106164697, 212329394, 424658788, 743152879, 1486305758, 2972611516, 5202070153, 10404140306, 20808280612]

約数ペア:

[(1, 20808280612), (2, 10404140306), (4, 5202070153), (7, 2972611516), (14, 1486305758), (28, 743152879), (49, 424658788), (98, 212329394), (196, 106164697), (1429, 14561428), (2858, 7280714), (5716, 3640357), (10003, 2080204), (20006, 1040102), (40012, 520051), (70021, 297172), (74293, 280084), (140042, 148586)]