20465998785

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{761809}}^1$

素因数の和:762022

約数の個数: 32

約数和(自身を含む): 36566880000

約数和(自身を除く): 16100881215

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 995, 1791, 2985, 5373, 8955, 26865, 761809, 2285427, 3809045, 6856281, 11427135, 20568843, 34281405, 102844215, 151599991, 454799973, 757999955, 1364399919, 2273999865, 4093199757, 6821999595, 20465998785]

約数ペア:

[(1, 20465998785), (3, 6821999595), (5, 4093199757), (9, 2273999865), (15, 1364399919), (27, 757999955), (45, 454799973), (135, 151599991), (199, 102844215), (597, 34281405), (995, 20568843), (1791, 11427135), (2985, 6856281), (5373, 3809045), (8955, 2285427), (26865, 761809)]