20197802319

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{5669}}^1$

素因数の和:6175

約数の個数: 32

約数和(自身を含む): 28021593600

約数和(自身を除く): 7823791281

約数列:

[1, 3, 43, 71, 129, 213, 389, 1167, 3053, 5669, 9159, 16727, 17007, 27619, 50181, 82857, 243767, 402499, 731301, 1187617, 1207497, 2205241, 3562851, 6615723, 17307457, 51922371, 94825363, 156572111, 284476089, 469716333, 6732600773, 20197802319]

約数ペア:

[(1, 20197802319), (3, 6732600773), (43, 469716333), (71, 284476089), (129, 156572111), (213, 94825363), (389, 51922371), (1167, 17307457), (3053, 6615723), (5669, 3562851), (9159, 2205241), (16727, 1207497), (17007, 1187617), (27619, 731301), (50181, 402499), (82857, 243767)]