20198380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59407}}^1$

素因数の和:59433

約数の個数: 24

約数和(自身を含む): 44912448

約数和(自身を除く): 24714068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59407, 118814, 237628, 297035, 594070, 1009919, 1188140, 2019838, 4039676, 5049595, 10099190, 20198380]

約数ペア:

[(1, 20198380), (2, 10099190), (4, 5049595), (5, 4039676), (10, 2019838), (17, 1188140), (20, 1009919), (34, 594070), (68, 297035), (85, 237628), (170, 118814), (340, 59407)]