19700120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44773}}^1$

素因数の和:44795

約数の個数: 32

約数和(自身を含む): 48355920

約数和(自身を除く): 28655800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44773, 89546, 179092, 223865, 358184, 447730, 492503, 895460, 985006, 1790920, 1970012, 2462515, 3940024, 4925030, 9850060, 19700120]

約数ペア:

[(1, 19700120), (2, 9850060), (4, 4925030), (5, 3940024), (8, 2462515), (10, 1970012), (11, 1790920), (20, 985006), (22, 895460), (40, 492503), (44, 447730), (55, 358184), (88, 223865), (110, 179092), (220, 89546), (440, 44773)]