20179782710

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1\times {\mathrm{43019}}^1$

素因数の和:43856

約数の個数: 32

約数和(自身を含む): 36967946400

約数和(自身を除く): 16788163690

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 769, 1538, 3845, 7690, 43019, 46909, 86038, 93818, 215095, 234545, 430190, 469090, 2624159, 5248318, 13120795, 26241590, 33081611, 66163222, 165408055, 330816110, 2017978271, 4035956542, 10089891355, 20179782710]

約数ペア:

[(1, 20179782710), (2, 10089891355), (5, 4035956542), (10, 2017978271), (61, 330816110), (122, 165408055), (305, 66163222), (610, 33081611), (769, 26241590), (1538, 13120795), (3845, 5248318), (7690, 2624159), (43019, 469090), (46909, 430190), (86038, 234545), (93818, 215095)]