20131337140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{120677}}^1$

素因数の和:121144

約数の個数: 48

約数和(自身を含む): 44602588800

約数和(自身を除く): 24471251660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 439, 878, 1756, 2195, 4390, 8341, 8780, 16682, 33364, 41705, 83410, 120677, 166820, 241354, 482708, 603385, 1206770, 2292863, 2413540, 4585726, 9171452, 11464315, 22928630, 45857260, 52977203, 105954406, 211908812, 264886015, 529772030, 1006566857, 1059544060, 2013133714, 4026267428, 5032834285, 10065668570, 20131337140]

約数ペア:

[(1, 20131337140), (2, 10065668570), (4, 5032834285), (5, 4026267428), (10, 2013133714), (19, 1059544060), (20, 1006566857), (38, 529772030), (76, 264886015), (95, 211908812), (190, 105954406), (380, 52977203), (439, 45857260), (878, 22928630), (1756, 11464315), (2195, 9171452), (4390, 4585726), (8341, 2413540), (8780, 2292863), (16682, 1206770), (33364, 603385), (41705, 482708), (83410, 241354), (120677, 166820)]